A lingerie care label explains how the complete garment can be washed, bleached, dried, ironed and professionally cleaned without creating irreversible damage.
In the international care-labelling system, the symbols are normally read from left to right in a fixed order:
- washing;
- bleaching;
- drying;
- ironing;
- professional textile care.
The label should not be interpreted as an instruction to use the most intensive treatment shown every time. It sets the upper boundary of treatment that the manufacturer considers suitable for the complete garment.¹
A lower temperature or gentler process may be selected when appropriate. However, using a treatment that exceeds the label cannot be assumed to be safe simply because the garment’s main fabric appears durable.
The care label is a boundary, not a complete washing plan
A care label answers an important question:
What is the most intensive treatment this garment can undergo without expected irreversible damage?
It does not necessarily answer:
- how often the garment should be washed;
- whether a particular stain will be removed;
- whether a particular hygiene target will be achieved;
- which detergent is most appropriate;
- or whether the maximum permitted temperature is necessary for ordinary wear.
The international care-labelling standard covers treatments that should not damage the article during textile care. It does not guarantee that every type of soil or stain will be completely removed.¹ ²
This distinction is particularly important for bras and underwear.
A label showing a maximum washing temperature of 40°C does not mean that the garment must always be washed at 40°C. It means that a hotter wash should not be assumed to be safe.
Conversely, choosing a lower temperature may reduce the intensity of the treatment, but it does not automatically demonstrate that a particular cleaning or hygiene result has been achieved.
The care label defines the garment-care boundary. The required washing result is a separate consideration.
The label applies to the complete garment
Bras and underwear often contain more than one material.
A bra described primarily as cotton or polyamide may also contain:
- elastane;
- lace;
- foam padding;
- underwires;
- elastic straps;
- hooks and eyes;
- printed details;
- bonded seams;
- decorative trims.
The care instruction is therefore not determined from the principal fibre alone.
Under the GINETEX care-labelling principles, the symbols refer to the parts of the textile article that are most sensitive to the care treatment. These may include its colouring, finishing, accessories and applications.²
A cotton section may tolerate a particular temperature while the elastic, padding, colour or bonded construction does not. The label reflects the limitations of the complete garment rather than the theoretical tolerance of one material in isolation.
This helps explain why bras and underwear may need to be washed differently from everyday clothes. The broader reasons are explored in Why do bras and underwear need to be washed differently from everyday clothes?
Washing: read the washtub first
The washtub symbol indicates whether domestic washing is permitted. It applies to both machine washing and hand washing.³
Several details may appear inside or beneath it.
The number is the maximum washing temperature
A number such as 30, 40 or 60 indicates the maximum water temperature in degrees Celsius that must not be exceeded.
It does not mean:
- that the garment must always be washed at that temperature;
- that the temperature guarantees stain removal;
- or that all garments sharing the same principal fibre can use the same setting.
For example, a 40°C symbol means that a 40°C wash is within the stated boundary. It is not permission to use 60°C because the garment contains cotton.
The wider decision about underwear temperature is covered in What temperature should underwear be washed at?
A line below the washtub changes the process
A single horizontal line beneath the symbol indicates a mild process with reduced mechanical action.
Two horizontal lines indicate a very mild process with a further reduction in mechanical treatment.³
The line does not simply mean “use a lower temperature”.
A 40°C mild process and a 40°C normal process have the same stated maximum temperature, but they differ in factors such as:
- mechanical action;
- programme design;
- load size;
- spinning;
- and treatment intensity.
This distinction matters for bras, lace, fine knits and garments that depend on elastic recovery.
The hand symbol means hand washing
A hand inside the washtub indicates that the garment should be washed by hand under the stated conditions.
Hand washing does not mean vigorous rubbing, twisting or wringing. The purpose is normally to reduce mechanical stress compared with an ordinary machine wash.
A crossed washtub means do not wash
A cross through the washtub means that domestic washing is not permitted.
It does not necessarily mean that the garment can never be cleaned. The professional-care symbol should also be checked to determine whether dry cleaning or professional wet cleaning is permitted.
Bleaching: read the triangle
The triangle describes whether bleaching agents may be used.³
There are three principal instructions.
An empty triangle
An empty triangle means that both chlorine and oxygen-based bleaching agents are permitted.
This is not common on many delicate or strongly coloured lingerie items, but the actual label must always be checked.
A triangle with two diagonal lines
Two diagonal lines inside the triangle mean that only oxygen or non-chlorine bleach is permitted.
Chlorine bleach is not permitted under this symbol.
A crossed triangle
A cross through the triangle means that bleaching is not permitted.
This instruction applies not only to a bottle labelled “bleach”. Some:
- general-purpose detergents;
- stain-removal powders;
- whitening products;
- and laundry additives
may contain oxygen-based bleaching ingredients.
When the label prohibits bleaching, detergent and stain-treatment ingredients should therefore also be checked.
A bleaching symbol does not indicate which detergent is otherwise best for the garment. That question is covered separately in What detergent is best for lingerie?
Drying: identify the square
The square represents drying.
The symbol inside the square distinguishes between tumble drying and natural drying.³
A circle inside the square means tumble drying
A circle inside the square refers to tumble drying.
Dots inside the circle indicate the permitted level of thermal treatment:
- fewer dots indicate a lower-temperature or milder drying process;
- more dots permit a higher level of heat.
The dots indicate the maximum permitted drying intensity. They are not an instruction that tumble drying must be used.
A crossed tumble-drying symbol means no tumble drying
A cross through the circle-in-a-square symbol means that the garment must not be tumble dried.
It does not mean that the garment must not be dried at all.
This is one of the most common ways in which care labels are misread. The garment may still be suitable for line drying, flat drying or another natural drying method.
Whether a particular lingerie item is suitable for mechanical drying is examined in Can lingerie go in the tumble dryer?
Lines inside the square describe natural drying
Lines inside a square describe the position or method used for natural drying.
Depending on the arrangement, they may indicate:
- line drying;
- drip line drying;
- flat drying;
- drip flat drying.
A diagonal line in the corner indicates that the corresponding natural-drying process should take place in the shade.³
This can be relevant to lingerie because hanging, laying flat, direct heat and strong sunlight may affect different garments in different ways.
A moulded bra, for example, may need to be reshaped while damp even when its label permits ordinary natural drying.
Ironing: count the dots inside the iron
The iron symbol indicates whether the garment may be ironed and the maximum level of heat that may be used.
Dots inside the iron represent increasing temperature ranges. More dots permit a higher soleplate temperature.³
The number of dots should be followed rather than selecting a setting solely from the garment’s fibre description.
This matters because an item described as cotton may also contain:
- elastane;
- heat-sensitive lace;
- prints;
- padding;
- adhesives;
- or decorative finishes.
Professional care: read the circle
A plain circle belongs to the professional textile-care section of the label.
It does not mean an ordinary domestic wash.
Letters inside the circle provide professional cleaners with information about the dry-cleaning solvents and processes that may be used. Lines beneath the circle indicate that a mild or very mild professional process is required.³
A professional wet-cleaning symbol may contain the letter W. Professional wet cleaning is different from placing the garment in a normal household washing machine. It uses specialist equipment, products and finishing methods.
A crossed professional-care symbol means that the treatment represented by that symbol is not permitted.
For most users, it is not necessary to interpret the technical solvent letters in detail. The practical action is to:
- retain the care label;
- show the complete garment and label to the professional cleaner;
- point out any stains, embellishments or structural features;
- avoid assuming that “dry clean” means every professional process is suitable.
Numbers, dots, lines and crosses have different meanings
The small marks added to the main symbols are not interchangeable.
Numbers
Numbers inside the washtub indicate the maximum washing temperature in degrees Celsius.
Dots
Dots indicate levels of heat in tumble drying and ironing.
They do not represent washing intensity.
Lines beneath a symbol
A line beneath a washing or professional-care symbol indicates that a milder process is required.
Two lines indicate a very mild process.
These lines primarily concern the overall treatment intensity, including mechanical action, rather than simply changing the stated temperature.
A cross
A cross over a symbol means that the treatment represented by that particular symbol must not be used.
The prohibition applies only to that process.
For example:
- do not tumble dry does not mean do not wash;
- do not bleach does not mean do not use detergent;
- do not iron does not mean the garment requires professional cleaning;
- do not wash does not automatically mean do not dry clean.
The complete sequence must be read rather than interpreting one crossed symbol in isolation.
Common care-label mistakes
Several apparently small misunderstandings can change how a garment is treated.
Treating the temperature as a target
A 40°C label gives a maximum temperature. It does not require every wash to take place at 40°C.
Ignoring the line below the washtub
Selecting the correct temperature but using a normal, highly mechanical programme may still exceed a mild or very mild instruction.
Reading “do not tumble dry” as “do not dry”
The crossed tumble-drying symbol prohibits the tumble dryer, not natural drying.
Selecting care only from the fibre composition
The most durable fibre is not necessarily the part that determines the care limit.
Assuming hand washing allows vigorous handling
Hand washing is not permission to rub, twist or wring a structured or delicate garment.
Assuming a permitted process guarantees the desired result
A treatment may fall within the garment’s damage boundary without completely removing a difficult stain or meeting a particular hygiene objective.
A practical way to read a lingerie care label
Before washing a bra or pair of underwear:
- locate the five care-symbol groups;
- read them from washing through to professional care;
- identify whether washing is permitted;
- note the maximum washing temperature;
- check for one or two lines beneath the washtub;
- confirm whether hand washing is required;
- check whether bleach is permitted;
- review the drying symbol before starting the wash;
- check whether ironing is permitted, even if ironing is unlikely to be needed;
- note any professional-care restrictions;
- consider all parts of the garment, not only its principal fibre.
When the desired treatment would exceed the care label—for example, when a higher washing temperature is being considered—the label should not be disregarded.
A different washing approach or a garment designed to tolerate the required treatment may be more appropriate.
The most useful rule
Treat the care label as the manufacturer’s stated upper boundary for the complete garment—not as an instruction to use the maximum treatment every time.
A gentler process may be selected when it meets the purpose of the wash. A more intensive process should not be assumed to be safe merely because one fibre or component appears able to tolerate it.
Correct lingerie care begins by reading the entire label and applying it to the entire garment.
Sources
- International Organization for Standardization, ISO 3758:2023 — Textiles — Care labelling code using symbols ↗
- GINETEX, Table of textile care symbols ↗
- GINETEX, Care symbols ↗
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