{ "name": "Launderwise ISO 3758 Care-Symbol Reference", "description": "Every ISO 3758 / GINETEX laundry care symbol, decoded with what it means and what to do, each backed by a cited source. Machine-readable companion to the care-symbol decoder at launderwise.com/glossary/.", "url": "https://launderwise.com/glossary/", "isBasedOn": "ISO 3758 / GINETEX care labelling code using symbols", "count": 36, "categories": [ "washing", "drying", "ironing", "bleaching", "professional-cleaning" ], "symbols": [ { "term": "Do not machine wash", "slug": "do-not-machine-wash", "category": "washing", "careSymbolId": "do-not-machine-wash", "definition": "An ISO 3758 washtub crossed out, indicating the garment must not be washed in water by any method, whether by machine or by hand.", "whatItMeans": "A cross through the washtub is an absolute prohibition on wet cleaning. Water would shrink, distort or dissolve the construction, so the item must be cleaned another way — usually professionally, as shown by the accompanying circle symbol.", "whatToDo": "Do not put the item in water. Check for a dry-clean circle on the same label and take it to a professional cleaner, or spot-clean carefully if no wet method is allowed at all.", "url": "https://launderwise.com/glossary/do-not-machine-wash/", "sources": [ { "title": "ISO 3758:2012 Textiles — Care labelling code using symbols", "url": "https://www.iso.org/standard/42918.html", "publisher": "International Organization for Standardization" } ] }, { "term": "Hand wash", "slug": "hand-wash", "category": "washing", "careSymbolId": "hand-wash", "definition": "An ISO 3758 washtub with a hand dipped into it, indicating the garment must be washed by hand and not in a machine.", "whatItMeans": "The hand-in-tub icon restricts cleaning to manual washing, usually at a maximum of around 40 °C. It appears on items whose construction, embellishment or fibre would be damaged by machine agitation, such as wool, silk and beaded pieces.", "whatToDo": "Wash gently by hand in lukewarm water with a mild or wool-specific detergent. Do not rub, wring or twist; instead press the suds through, rinse, and roll the item in a towel to remove water before laying it flat to dry.", "url": "https://launderwise.com/glossary/hand-wash/", "sources": [ { "title": "ISO 3758:2012 Textiles — Care labelling code using symbols", "url": "https://www.iso.org/standard/42918.html", "publisher": "International Organization for Standardization" } ] }, { "term": "Machine wash, cold", "slug": "machine-wash-cold", "category": "washing", "careSymbolId": "machine-wash-cold", "definition": "An ISO 3758 washtub showing 30 °C (or a single dot), indicating the garment should be machine washed at a maximum water temperature of 30 °C.", "whatItMeans": "The figure 30 inside the tub, or a single dot, caps the wash water at 30 °C. Washing cooler protects colours and elastane and saves energy, but it also means heavily soiled or greasy loads may need a pre-treat or a longer cycle.", "whatToDo": "Select a 30 °C programme and pair it with a detergent formulated to work in cool water (most modern enzymatic liquids are). Pre-treat oily or set-in stains separately, because 30 °C alone will not dissolve them.", "url": "https://launderwise.com/glossary/machine-wash-cold/", "sources": [ { "title": "ISO 3758:2012 Textiles — Care labelling code using symbols", "url": "https://www.iso.org/standard/42918.html", "publisher": "International Organization for Standardization" } ] }, { "term": "Machine wash, delicate", "slug": "machine-wash-delicate", "category": "washing", "careSymbolId": "machine-wash-delicate", "definition": "An ISO 3758 washtub with two bars beneath it, calling for a very gentle mechanical action — the most cautious machine-wash setting.", "whatItMeans": "The double underline signals the gentlest machine cycle: minimal agitation, a very low spin and a generous water level so the fabric floats rather than rubs. It is used for fragile knits, fine synthetics and loosely woven fabrics.", "whatToDo": "Run the delicate or hand-wash machine programme and place the item in a mesh laundry bag to reduce stretching and snagging. Use a mild detergent and skip the high-speed spin to avoid permanent creases.", "url": "https://launderwise.com/glossary/machine-wash-delicate/", "sources": [ { "title": "ISO 3758:2012 Textiles — Care labelling code using symbols", "url": "https://www.iso.org/standard/42918.html", "publisher": "International Organization for Standardization" } ] }, { "term": "Machine wash, hot", "slug": "machine-wash-hot", "category": "washing", "careSymbolId": "machine-wash-hot", "definition": "An ISO 3758 washtub showing 60 °C (or three dots), indicating a maximum machine-wash water temperature of 60 °C.", "whatItMeans": "The figure 60, or three dots, allows washing up to 60 °C. This is the temperature at which most household textiles are effectively hygienised, because 60 °C combined with detergent reduces common bacteria and dust-mite allergens on fabric.", "whatToDo": "Reserve 60 °C for items that genuinely benefit from it — towels, bed linen, tea towels and the laundry of anyone who is ill. Wash colourfast cottons only, and keep dyed or delicate items on a cooler cycle.", "url": "https://launderwise.com/glossary/machine-wash-hot/", "sources": [ { "title": "ISO 3758:2012 Textiles — Care labelling code using symbols", "url": "https://www.iso.org/standard/42918.html", "publisher": "International Organization for Standardization" } ] }, { "term": "Machine wash, normal", "slug": "machine-wash-normal", "category": "washing", "careSymbolId": "machine-wash-normal", "definition": "The basic ISO 3758 washtub symbol with no bar beneath it, meaning the garment can be machine washed on a normal (unrestricted) mechanical action, spin and rinse.", "whatItMeans": "A plain washtub icon represents the standard wash process. The number inside the tub, when present, is the maximum water temperature in degrees Celsius; an absence of any bar under the tub signals that normal agitation, normal spinning and normal rinsing are all allowed.", "whatToDo": "Wash the item in a regular cottons or mixed cycle at or below the stated temperature. No special gentleness is required, so you can fill the drum to its rated load and use a standard spin speed.", "url": "https://launderwise.com/glossary/machine-wash-normal/", "sources": [ { "title": "ISO 3758:2012 Textiles — Care labelling code using symbols", "url": "https://www.iso.org/standard/42918.html", "publisher": "International Organization for Standardization" } ] }, { "term": "Machine wash, permanent press", "slug": "machine-wash-permanent-press", "category": "washing", "careSymbolId": "machine-wash-permanent-press", "definition": "An ISO 3758 washtub with a single bar beneath it, calling for a reduced (gentle) mechanical action, sometimes labelled permanent press or synthetics.", "whatItMeans": "The single underline tells the machine to ease off: shorter agitation, a lower spin speed and a cool-down rinse. This protects synthetics and easy-care finishes from creasing and from the abrasion of a full-strength cottons cycle.", "whatToDo": "Choose your machine's synthetics, easy-care or permanent-press programme, which automatically applies the reduced action. Do not overload the drum, because crease resistance depends on the clothes having room to move.", "url": "https://launderwise.com/glossary/machine-wash-permanent-press/", "sources": [ { "title": "ISO 3758:2012 Textiles — Care labelling code using symbols", "url": "https://www.iso.org/standard/42918.html", "publisher": "International Organization for Standardization" } ] }, { "term": "Machine wash, very hot", "slug": "machine-wash-very-hot", "category": "washing", "careSymbolId": "machine-wash-very-hot", "definition": "An ISO 3758 washtub showing 90 °C (or four dots), the hottest standard domestic wash temperature, indicating a maximum of 90 °C.", "whatItMeans": "The figure 90, or four dots, permits a near-boil wash. It is found almost exclusively on robust white cottons and linens designed to tolerate aggressive cleaning and high heat without distortion.", "whatToDo": "Use 90 °C only for heavily soiled, colourfast white cotton or linen that explicitly carries this symbol. It is unnecessary for routine laundry and will damage most modern blends, so check the label before selecting it.", "url": "https://launderwise.com/glossary/machine-wash-very-hot/", "sources": [ { "title": "ISO 3758:2012 Textiles — Care labelling code using symbols", "url": "https://www.iso.org/standard/42918.html", "publisher": "International Organization for Standardization" } ] }, { "term": "Machine wash, warm", "slug": "machine-wash-warm", "category": "washing", "careSymbolId": "machine-wash-warm", "definition": "An ISO 3758 washtub showing 40 °C (or two dots), indicating a maximum machine-wash water temperature of 40 °C.", "whatItMeans": "The figure 40, or two dots, caps the wash at 40 °C — a middle ground that lifts everyday body soil and light grease better than 30 °C while still being gentle on most colours and synthetics.", "whatToDo": "Use a 40 °C cycle for mixed everyday loads such as shirts, underwear and lightly soiled cottons. Do not exceed 40 °C, as hotter water can shrink or fade fabrics labelled for this temperature.", "url": "https://launderwise.com/glossary/machine-wash-warm/", "sources": [ { "title": "ISO 3758:2012 Textiles — Care labelling code using symbols", "url": "https://www.iso.org/standard/42918.html", "publisher": "International Organization for Standardization" } ] }, { "term": "Do not dry", "slug": "do-not-dry", "category": "drying", "careSymbolId": "do-not-dry", "definition": "An ISO 3758 drying square crossed out, indicating the garment should not be subjected to the natural-drying process shown — a general prohibition on that drying method.", "whatItMeans": "A cross over the plain drying square forbids the associated drying process. It is most often seen together with a wet-cleaning or dry-clean instruction, signalling that ordinary domestic drying is not appropriate for the item.", "whatToDo": "Do not dry the item by the prohibited method. Read the rest of the label for the approved care route — frequently professional cleaning — and follow that instead of improvising a home drying method.", "url": "https://launderwise.com/glossary/do-not-dry/", "sources": [ { "title": "ISO 3758:2012 Textiles — Care labelling code using symbols", "url": "https://www.iso.org/standard/42918.html", "publisher": "International Organization for Standardization" } ] }, { "term": "Do not tumble dry", "slug": "do-not-tumble-dry", "category": "drying", "careSymbolId": "do-not-tumble-dry", "definition": "An ISO 3758 tumble-dry circle crossed out, indicating the garment must not be dried in a tumble dryer.", "whatItMeans": "A cross through the dryer circle prohibits machine drying. The heat or mechanical action would shrink, distort or damage the item, so it must be dried by another method shown on the label, such as line or flat drying.", "whatToDo": "Keep the item out of the dryer. Follow the natural-drying symbol that accompanies it — line dry, drip dry or dry flat — and reshape knits by hand while damp.", "url": "https://launderwise.com/glossary/do-not-tumble-dry/", "sources": [ { "title": "ISO 3758:2012 Textiles — Care labelling code using symbols", "url": "https://www.iso.org/standard/42918.html", "publisher": "International Organization for Standardization" } ] }, { "term": "Drip dry", "slug": "drip-dry", "category": "drying", "careSymbolId": "drip-dry", "definition": "An ISO 3758 square with two vertical lines inside it, indicating the garment should be hung up soaking wet and allowed to drip dry without spinning or wringing.", "whatItMeans": "The two vertical lines mean drip drying: the item is hung immediately after washing, still full of water, so it dries under its own weight. This prevents the set creases and distortion that spinning or wringing would cause in certain synthetics and easy-care shirts.", "whatToDo": "Skip the spin cycle, lift the dripping item straight onto a hanger over a sink, bath or drain, and let it dry undisturbed. The water weight helps pull wrinkles out as it dries, often removing the need to iron.", "url": "https://launderwise.com/glossary/drip-dry/", "sources": [ { "title": "ISO 3758:2012 Textiles — Care labelling code using symbols", "url": "https://www.iso.org/standard/42918.html", "publisher": "International Organization for Standardization" } ] }, { "term": "Dry flat", "slug": "dry-flat", "category": "drying", "careSymbolId": "dry-flat", "definition": "An ISO 3758 square with a single horizontal line inside it, indicating the garment should be laid out flat to dry rather than hung.", "whatItMeans": "The horizontal line means flat drying. Hanging a heavy wet knit lets gravity stretch it out of shape, so the symbol calls for the item to be supported across its whole surface while it dries — the standard instruction for wool and other knits.", "whatToDo": "Lay the item on a clean towel or a mesh drying rack, gently reshaping it to its original dimensions first. Turn it over partway through so both sides dry, and keep it out of direct heat to avoid stiff, scorched patches.", "url": "https://launderwise.com/glossary/dry-flat/", "sources": [ { "title": "ISO 3758:2012 Textiles — Care labelling code using symbols", "url": "https://www.iso.org/standard/42918.html", "publisher": "International Organization for Standardization" } ] }, { "term": "Dry in the shade", "slug": "dry-in-shade", "category": "drying", "careSymbolId": "dry-in-shade", "definition": "An ISO 3758 drying square with a diagonal line in the top-left corner, indicating the garment should be dried away from direct sunlight.", "whatItMeans": "The corner stripe modifies a line- or flat-dry instruction to add: keep it out of the sun. Ultraviolet light fades dyes and weakens some fibres, so shade drying preserves colour and strength on the affected item.", "whatToDo": "Combine the drying method shown (hang or flat) with a shaded, well-ventilated spot — indoors near an open window, under a covered line, or on the shadier side of the garden. Avoid drying dark or bright colours in full midday sun.", "url": "https://launderwise.com/glossary/dry-in-shade/", "sources": [ { "title": "ISO 3758:2012 Textiles — Care labelling code using symbols", "url": "https://www.iso.org/standard/42918.html", "publisher": "International Organization for Standardization" } ] }, { "term": "Line dry (hang to dry)", "slug": "hang-dry", "category": "drying", "careSymbolId": "hang-dry", "definition": "An ISO 3758 square with a single vertical line inside it, indicating the garment should be hung up to dry naturally on a line or rail.", "whatItMeans": "The vertical line inside the drying square means line drying: the wet item is hung from a line, hanger or rail so gravity and air do the work. It avoids dryer heat and is the standard natural-drying instruction for most washable clothes.", "whatToDo": "Hang the item on a line or hanger, ideally after a gentle spin so it is not dripping. Shape shoulders over a hanger for shirts, and avoid clothes-pin marks on delicate fabric by hanging from seams or using a drying rack.", "url": "https://launderwise.com/glossary/hang-dry/", "sources": [ { "title": "ISO 3758:2012 Textiles — Care labelling code using symbols", "url": "https://www.iso.org/standard/42918.html", "publisher": "International Organization for Standardization" } ] }, { "term": "Tumble dry, delicate", "slug": "tumble-dry-delicate", "category": "drying", "careSymbolId": "tumble-dry-delicate", "definition": "An ISO 3758 tumble-dry circle with a single bar beneath the square, indicating a gentle drying cycle with reduced mechanical action.", "whatItMeans": "The bar under the drying square reduces the tumbling action and is usually paired with low heat. It limits the abrasion and flexing that can pill knits or break down elastic and prints.", "whatToDo": "Use a delicate or gentle dryer programme, ideally with a lower spin already done in the wash so less drying is needed. Remove the load promptly and reshape knits while they are still slightly warm.", "url": "https://launderwise.com/glossary/tumble-dry-delicate/", "sources": [ { "title": "ISO 3758:2012 Textiles — Care labelling code using symbols", "url": "https://www.iso.org/standard/42918.html", "publisher": "International Organization for Standardization" } ] }, { "term": "Tumble dry, high heat", "slug": "tumble-dry-high", "category": "drying", "careSymbolId": "tumble-dry-high", "definition": "An ISO 3758 tumble-dry circle with three dots, indicating tumble drying at a high heat setting is permitted.", "whatItMeans": "Three dots inside the dryer circle allow the hottest tumble cycle. This is reserved for robust fabrics — typically sturdy white cottons, towels and bed linen — that dry quickly and tolerate high temperatures.", "whatToDo": "Reserve high heat for towels, sheets and heavy cottons that explicitly allow it. Avoid it for synthetics and prints, and clean the lint filter every load, because high heat raises the fire and energy cost of trapped lint.", "url": "https://launderwise.com/glossary/tumble-dry-high/", "sources": [ { "title": "ISO 3758:2012 Textiles — Care labelling code using symbols", "url": "https://www.iso.org/standard/42918.html", "publisher": "International Organization for Standardization" } ] }, { "term": "Tumble dry, low heat", "slug": "tumble-dry-low", "category": "drying", "careSymbolId": "tumble-dry-low", "definition": "An ISO 3758 tumble-dry circle with a single dot, indicating tumble drying at a low heat setting (a maximum exhaust temperature of about 60 °C).", "whatItMeans": "One dot inside the dryer circle caps the temperature at the low setting. Gentler heat protects elastane, prints and synthetics that would shrink, pill or melt under a hot cycle.", "whatToDo": "Select the low-heat or delicate dryer programme. It takes longer than high heat, so expect a longer cycle, and pull items out as soon as they are dry to avoid baking in wrinkles.", "url": "https://launderwise.com/glossary/tumble-dry-low/", "sources": [ { "title": "ISO 3758:2012 Textiles — Care labelling code using symbols", "url": "https://www.iso.org/standard/42918.html", "publisher": "International Organization for Standardization" } ] }, { "term": "Tumble dry, medium heat", "slug": "tumble-dry-medium", "category": "drying", "careSymbolId": "tumble-dry-medium", "definition": "An ISO 3758 tumble-dry circle with two dots, indicating tumble drying at a medium heat setting (a maximum exhaust temperature of about 80 °C).", "whatItMeans": "Two dots inside the dryer circle allow a moderate temperature — hotter and faster than low heat, but still below the maximum. It suits sturdy everyday items that can take some heat without distorting.", "whatToDo": "Use the medium or permanent-press dryer setting. Shake items out before loading and don't overpack the drum, so air circulates and the load dries evenly without hot spots.", "url": "https://launderwise.com/glossary/tumble-dry-medium/", "sources": [ { "title": "ISO 3758:2012 Textiles — Care labelling code using symbols", "url": "https://www.iso.org/standard/42918.html", "publisher": "International Organization for Standardization" } ] }, { "term": "Tumble dry, no heat", "slug": "tumble-dry-no-heat", "category": "drying", "careSymbolId": "tumble-dry-no-heat", "definition": "An ISO 3758 tumble-dry circle with no dots (often shown as a filled or zero-dot circle), indicating tumble drying with no heat — an air-only cycle.", "whatItMeans": "A dryer circle calling for no heat means the drum should tumble using room-temperature air alone. The mechanical action fluffs and de-wrinkles the load while avoiding any heat-related shrinkage or melting.", "whatToDo": "Run the air-fluff or no-heat dryer cycle. Because there is no warmth to speed evaporation, it dries slowly, so use it for finishing nearly dry items or freshening fabrics rather than drying a soaking load.", "url": "https://launderwise.com/glossary/tumble-dry-no-heat/", "sources": [ { "title": "ISO 3758:2012 Textiles — Care labelling code using symbols", "url": "https://www.iso.org/standard/42918.html", "publisher": "International Organization for Standardization" } ] }, { "term": "Tumble dry, normal", "slug": "tumble-dry-normal", "category": "drying", "careSymbolId": "tumble-dry-normal", "definition": "An ISO 3758 square with a circle inside, indicating the garment may be dried in a tumble dryer on a normal cycle.", "whatItMeans": "The square is the general drying symbol and the circle inside it specifically means a tumble dryer. With no dot or a higher dot count, normal heat is permitted; the dots that often accompany it set the maximum drying temperature.", "whatToDo": "Tumble dry on the cycle indicated by any dots inside the circle. Remove items while slightly damp to limit creasing and over-drying, which shortens fabric life and wastes energy.", "url": "https://launderwise.com/glossary/tumble-dry-normal/", "sources": [ { "title": "ISO 3758:2012 Textiles — Care labelling code using symbols", "url": "https://www.iso.org/standard/42918.html", "publisher": "International Organization for Standardization" } ] }, { "term": "Tumble dry, permanent press", "slug": "tumble-dry-permanent-press", "category": "drying", "careSymbolId": "tumble-dry-permanent-press", "definition": "An ISO 3758 tumble-dry circle with two bars beneath the square in some chart variants, or the single-bar permanent-press drying cycle, calling for reduced action and a cool-down.", "whatItMeans": "The permanent-press drying cycle combines moderate heat with a cool tumble at the end so that synthetics and easy-care finishes set without creasing. The bars under the square indicate the reduced mechanical action.", "whatToDo": "Select the permanent-press or easy-care dryer setting and unload as soon as it finishes, hanging shirts immediately. Leaving permanent-press items piled in a warm drum re-introduces the very wrinkles the cycle is designed to prevent.", "url": "https://launderwise.com/glossary/tumble-dry-permanent-press/", "sources": [ { "title": "ISO 3758:2012 Textiles — Care labelling code using symbols", "url": "https://www.iso.org/standard/42918.html", "publisher": "International Organization for Standardization" } ] }, { "term": "Do not iron", "slug": "do-not-iron", "category": "ironing", "careSymbolId": "do-not-iron", "definition": "An ISO 3758 iron symbol crossed out, indicating the garment must not be ironed or pressed.", "whatItMeans": "A cross through the iron forbids ironing entirely. The heat or pressure would melt, glaze, flatten or otherwise ruin the fabric or its decoration — common on heavily synthetic, coated, sequinned or pile fabrics.", "whatToDo": "Do not apply an iron. Remove creases another way: hang the item in a steamy bathroom, use a handheld garment steamer held away from the surface, or smooth it by hand while it dries flat.", "url": "https://launderwise.com/glossary/do-not-iron/", "sources": [ { "title": "ISO 3758:2012 Textiles — Care labelling code using symbols", "url": "https://www.iso.org/standard/42918.html", "publisher": "International Organization for Standardization" } ] }, { "term": "Iron without steam", "slug": "iron-no-steam", "category": "ironing", "careSymbolId": "iron-no-steam", "definition": "An ISO 3758 iron symbol with the steam lines beneath it crossed out, indicating the garment may be ironed but only with a dry iron — no steam.", "whatItMeans": "The cross over the steam vents at the base of the iron prohibits steam while still allowing dry ironing. Steam can leave water spots, flatten pile or shrink certain finishes, so these fabrics must be pressed dry.", "whatToDo": "Switch the iron's steam function off and empty or avoid the water reservoir. Press with a dry plate at the dotted temperature shown, using a dry pressing cloth rather than dampening the fabric.", "url": "https://launderwise.com/glossary/iron-no-steam/", "sources": [ { "title": "ISO 3758:2012 Textiles — Care labelling code using symbols", "url": "https://www.iso.org/standard/42918.html", "publisher": "International Organization for Standardization" } ] }, { "term": "Iron, high temperature", "slug": "iron-high", "category": "ironing", "careSymbolId": "iron-high", "definition": "An ISO 3758 iron symbol with three dots, indicating ironing at a high temperature, up to a soleplate of about 200 °C.", "whatItMeans": "Three dots on the iron allow the hottest setting, used for cotton and linen. These plant fibres tolerate high heat and steam, which is what it takes to press out their deep, sharp creases.", "whatToDo": "Select the high (cotton or linen) setting and use steam or iron the fabric while still damp for the crispest finish. Linen presses best slightly wet; let cotton shirts hang to release residual heat before wearing.", "url": "https://launderwise.com/glossary/iron-high/", "sources": [ { "title": "ISO 3758:2012 Textiles — Care labelling code using symbols", "url": "https://www.iso.org/standard/42918.html", "publisher": "International Organization for Standardization" } ] }, { "term": "Iron, low temperature", "slug": "iron-low", "category": "ironing", "careSymbolId": "iron-low", "definition": "An ISO 3758 iron symbol with one dot, indicating ironing at a low temperature, up to a soleplate of about 110 °C.", "whatItMeans": "One dot on the iron caps the heat at the lowest setting. It is used for heat-sensitive fibres — acrylic, nylon, acetate and elastane blends — that scorch, glaze or melt under a hotter plate.", "whatToDo": "Set the iron to its lowest (often marked with one dot, silk or synthetics) and test on an inside seam first. Iron on the reverse, and place a pressing cloth between the iron and any printed or shiny surface.", "url": "https://launderwise.com/glossary/iron-low/", "sources": [ { "title": "ISO 3758:2012 Textiles — Care labelling code using symbols", "url": "https://www.iso.org/standard/42918.html", "publisher": "International Organization for Standardization" } ] }, { "term": "Iron, medium temperature", "slug": "iron-medium", "category": "ironing", "careSymbolId": "iron-medium", "definition": "An ISO 3758 iron symbol with two dots, indicating ironing at a medium temperature, up to a soleplate of about 150 °C.", "whatItMeans": "Two dots on the iron permit medium heat, suitable for wool, polyester and silk blends. It is hot enough to smooth most everyday creases but below the temperature that would damage protein and synthetic fibres.", "whatToDo": "Use the medium (wool or two-dot) setting, ironing slightly damp fabric or with a burst of steam for stubborn creases. Iron wool and silk on the reverse, and keep the iron moving to avoid shine.", "url": "https://launderwise.com/glossary/iron-medium/", "sources": [ { "title": "ISO 3758:2012 Textiles — Care labelling code using symbols", "url": "https://www.iso.org/standard/42918.html", "publisher": "International Organization for Standardization" } ] }, { "term": "Bleach allowed (any bleach)", "slug": "bleach", "category": "bleaching", "careSymbolId": "bleach", "definition": "An ISO 3758 plain triangle, indicating any commercial bleach — chlorine or oxygen — may be used on the garment when needed.", "whatItMeans": "An empty triangle is the most permissive bleaching symbol: both chlorine (sodium hypochlorite) and oxygen (peroxide) bleaches are allowed. It appears on robust, typically white fabrics that can withstand strong whitening agents.", "whatToDo": "Use bleach only when you actually need to whiten or disinfect, and always dilute it per the product label. Even when any bleach is permitted, an oxygen bleach is gentler on fibres and is the safer default for repeated use.", "url": "https://launderwise.com/glossary/bleach/", "sources": [ { "title": "ISO 3758:2012 Textiles — Care labelling code using symbols", "url": "https://www.iso.org/standard/42918.html", "publisher": "International Organization for Standardization" } ] }, { "term": "Do not bleach", "slug": "do-not-bleach", "category": "bleaching", "careSymbolId": "do-not-bleach", "definition": "An ISO 3758 triangle crossed out, indicating no bleach of any kind — neither chlorine nor oxygen — may be used on the garment.", "whatItMeans": "A cross through the triangle is a total prohibition on bleaching. The fibre, dye or finish would be degraded by oxidising agents, so even colour-safe oxygen bleach must be avoided.", "whatToDo": "Treat stains without any bleach. Use enzymatic pre-treaters, a soak in plain detergent, or mechanical methods like blotting and brushing, and check that any stain remover you buy is explicitly bleach-free.", "url": "https://launderwise.com/glossary/do-not-bleach/", "sources": [ { "title": "ISO 3758:2012 Textiles — Care labelling code using symbols", "url": "https://www.iso.org/standard/42918.html", "publisher": "International Organization for Standardization" } ] }, { "term": "Non-chlorine bleach only", "slug": "bleach-non-chlorine", "category": "bleaching", "careSymbolId": "bleach-non-chlorine", "definition": "An ISO 3758 triangle with two diagonal lines inside it, indicating only non-chlorine (oxygen) bleach may be used; chlorine bleach is prohibited.", "whatItMeans": "The two diagonal stripes restrict bleaching to oxygen-based products such as sodium percarbonate. Chlorine bleach would damage the fibre or strip colour, so it is excluded while colour-safe oxygen bleach remains allowed.", "whatToDo": "Reach for an oxygen bleach (sometimes sold as colour-safe or all-fabric bleach) rather than household chlorine bleach. Dissolve it in warm water for a soak, and never substitute chlorine bleach on an item carrying this symbol.", "url": "https://launderwise.com/glossary/bleach-non-chlorine/", "sources": [ { "title": "ISO 3758:2012 Textiles — Care labelling code using symbols", "url": "https://www.iso.org/standard/42918.html", "publisher": "International Organization for Standardization" } ] }, { "term": "Do not dry clean", "slug": "do-not-dry-clean", "category": "professional-cleaning", "careSymbolId": "do-not-dry-clean", "definition": "An ISO 3758 circle crossed out, indicating the garment must not be professionally dry cleaned.", "whatItMeans": "A cross through the circle prohibits dry-cleaning solvents. The fibre, dye, adhesive or trim would be harmed by the solvents or the process, so the item must be cleaned by the water-based method shown elsewhere on the label.", "whatToDo": "Do not take the item to a dry cleaner. Follow the wash and dry symbols on the label instead, and if it also carries a do-not-wash symbol, ask about professional wet cleaning rather than improvising.", "url": "https://launderwise.com/glossary/do-not-dry-clean/", "sources": [ { "title": "ISO 3758:2012 Textiles — Care labelling code using symbols", "url": "https://www.iso.org/standard/42918.html", "publisher": "International Organization for Standardization" } ] }, { "term": "Dry clean", "slug": "dry-clean", "category": "professional-cleaning", "careSymbolId": "dry-clean", "definition": "An ISO 3758 plain circle, indicating the garment should be professionally dry cleaned; letters and bars inside specify the permitted solvent and any restrictions.", "whatItMeans": "The circle is the general professional-cleaning symbol. On its own it tells the wearer to use a dry cleaner; the letter inside (P, F or W) tells the cleaner which solvent or process is safe, and bars beneath it call for a gentler treatment.", "whatToDo": "Take the item to a professional cleaner and point out any visible stains, since pre-treatment differs from home washing. Do not attempt to wash a dry-clean-only item in water unless the label also shows a wash symbol.", "url": "https://launderwise.com/glossary/dry-clean/", "sources": [ { "title": "ISO 3758:2012 Textiles — Care labelling code using symbols", "url": "https://www.iso.org/standard/42918.html", "publisher": "International Organization for Standardization" } ] }, { "term": "Dry clean with hydrocarbon solvent (F)", "slug": "dry-clean-hydrocarbon-solvent", "category": "professional-cleaning", "careSymbolId": "dry-clean-hydrocarbon-solvent", "definition": "An ISO 3758 circle containing the letter F, indicating professional dry cleaning with hydrocarbon solvents only.", "whatItMeans": "The letter F restricts cleaning to gentler hydrocarbon solvents and excludes the stronger perchloroethylene. It is specified for fabrics and trims that the harsher solvent would damage, so the cleaner must select the correct machine.", "whatToDo": "Choose a dry cleaner that explicitly offers hydrocarbon (F) cleaning and tell them the symbol, because not every shop runs that solvent. A bar under the circle means they should also use a reduced, gentler cycle.", "url": "https://launderwise.com/glossary/dry-clean-hydrocarbon-solvent/", "sources": [ { "title": "ISO 3758:2012 Textiles — Care labelling code using symbols", "url": "https://www.iso.org/standard/42918.html", "publisher": "International Organization for Standardization" } ] }, { "term": "Dry clean with tetrachloroethylene (P)", "slug": "dry-clean-tetrachloroethylene-solvent", "category": "professional-cleaning", "careSymbolId": "dry-clean-tetrachloroethylene-solvent", "definition": "An ISO 3758 circle containing the letter P, indicating professional dry cleaning with tetrachloroethylene (perchloroethylene) and all solvents coded F.", "whatItMeans": "The letter P limits cleaning to the perchloroethylene solvent system (and the milder hydrocarbon solvents). Any bar beneath the circle calls for a gentler, lower-moisture or lower-temperature process to protect a more sensitive item.", "whatToDo": "Use a professional cleaner equipped for perchloroethylene or hydrocarbon cleaning — this is the most common high-street setup, so it is rarely a problem. Mention any bar under the symbol so they choose the gentler programme.", "url": "https://launderwise.com/glossary/dry-clean-tetrachloroethylene-solvent/", "sources": [ { "title": "ISO 3758:2012 Textiles — Care labelling code using symbols", "url": "https://www.iso.org/standard/42918.html", "publisher": "International Organization for Standardization" } ] }, { "term": "Dry clean, any solvent", "slug": "dry-clean-any-solvent", "category": "professional-cleaning", "careSymbolId": "dry-clean-any-solvent", "definition": "An ISO 3758 circle containing the letter A, indicating professional dry cleaning is permitted with any solvent.", "whatItMeans": "The letter A inside the circle tells the cleaner that any standard dry-cleaning solvent is safe, including tetrachloroethylene and hydrocarbon solvents. It is the least restrictive professional-cleaning instruction.", "whatToDo": "Hand the item to a professional cleaner; no special solvent restriction applies, so any reputable dry cleaner can process it. As with all dry cleaning, flag stains and remove belts or trims that should be cleaned separately.", "url": "https://launderwise.com/glossary/dry-clean-any-solvent/", "sources": [ { "title": "ISO 3758:2012 Textiles — Care labelling code using symbols", "url": "https://www.iso.org/standard/42918.html", "publisher": "International Organization for Standardization" } ] }, { "term": "Professional wet cleaning (W)", "slug": "professional-wet-cleaning", "category": "professional-cleaning", "careSymbolId": "professional-wet-cleaning", "definition": "An ISO 3758 circle containing the letter W, indicating the garment should be professionally wet cleaned — a controlled, water-based process carried out by a cleaner.", "whatItMeans": "The letter W specifies professional wet cleaning: a gentle, computer-controlled water process using specialised detergents and drying, offered as a lower-solvent alternative to traditional dry cleaning. Bars beneath the circle call for an even milder cycle.", "whatToDo": "Take the item to a cleaner that advertises professional wet cleaning, not just dry cleaning. Do not try to replicate it at home; the controlled moisture, mechanical action and drying are what stop the fabric distorting.", "url": "https://launderwise.com/glossary/professional-wet-cleaning/", "sources": [ { "title": "ISO 3758:2012 Textiles — Care labelling code using symbols", "url": "https://www.iso.org/standard/42918.html", "publisher": "International Organization for Standardization" } ] } ] }