Customer Care

Lingerie care basics, Lingerie care guide

Should new bras and underwear be washed before first wear?

Topics

Orders and delivery

Yes. As a general rule, new bras and underwear should be washed before they are worn for the first time.

This is a sensible precaution for garments that remain in direct or close contact with the skin. A first wash can help remove excess dyes, finishing residues, dust and traces left through manufacturing and handling.

It does not mean that every new item is unsafe or unhygienic. Nor does it mean that new lingerie requires disinfection, bleach or the highest available washing temperature.

The first wash should prepare the garment for wear while remaining appropriate for its materials, structure and care label.

New does not necessarily mean ready to wear

A garment can be new in the retail sense without having been prepared specifically for prolonged contact with the wearer’s skin.

Before reaching a wardrobe, lingerie may have passed through:

textile production and dyeing;
cutting, sewing and finishing;
packing and transport;
warehouse and retail handling;
fitting-room use;
or a customer return process.

Not every item will have experienced all of these conditions. A sealed pair of underwear may have been handled differently from a bra displayed in a shop, for example.

However, an item appearing clean and unworn does not establish that it has already been washed after manufacture.

The French Agency for Food, Environmental and Occupational Health & Safety recommends washing clothing likely to come into contact with the skin before it is worn for the first time, while following the manufacturer’s washing instructions.¹

Direct skin contact makes the first wash more relevant

Bras and underwear are not worn in the same way as an outer jacket or coat.

Underwear remains in direct contact with intimate areas of the body. Bras are worn closely against the chest, underband, underarms and back, often for many hours at a time.

Warmth, moisture and friction can increase the degree of contact between the textile and the skin. For that reason, a precaution that may be less important for a garment worn over several layers becomes more relevant for lingerie.

This does not mean that wearing an unwashed new bra will necessarily cause a reaction. Most people will not experience an obvious problem from briefly trying on a new garment.

The purpose of the first wash is to reduce avoidable exposure before the garment becomes part of normal, repeated wear.

Textile production can leave excess substances in a new garment

Textile manufacture involves more than producing the underlying fibre.

Depending on the material and intended appearance, processes may include:

dyeing;
printing;
finishing;
softening;
stabilising the fabric;
controlling shrinkage;
or adding particular surface properties.

Many process substances are removed during production, but some excess dyes, finishing substances or other residues may remain in the finished textile.

The Swedish Chemicals Agency advises washing new textiles before use to avoid placing excess chemicals in direct contact with the body.²

This should be interpreted proportionately.

It does not mean that every new garment contains a dangerous concentration of chemicals. It means that washing is a straightforward way to reduce residues that do not need to remain on a close-to-body garment.

A small amount of colour appearing in the first wash may also reflect the release of loose dye. Dark, bright or strongly coloured lingerie should therefore be separated from pale garments unless the manufacturer states that they can safely be washed together.

Handling is a secondary reason—not a reason for alarm

New lingerie may also have been touched during production, packing, quality inspection, retail display or delivery.

Bras sold in physical shops may have been tried on. Products purchased online may have been opened and returned before being offered for sale again, depending on the retailer and the type of garment.

These possibilities provide an additional practical reason for a first wash, but they should not be exaggerated.

The article does not need to assume that every garment carries harmful microorganisms, nor that ordinary retail handling creates a serious infection risk.

A routine wash removes ordinary dust and handling residues without turning the first wash into a medical or disinfection procedure.

Check the fit and return conditions before washing

Before washing new lingerie, first confirm that the garment is suitable to keep.

Check:

the size and fit;
the condition of cups, seams and elastic;
whether hooks, straps and underwires are secure;
whether the item has marks, damage or an unusual odour;
the fibre composition;
the care label;
and the retailer’s return conditions.

Some retailers will not accept lingerie once tags have been removed or the garment has been washed. Return conditions may also differ between bras, briefs, shapewear and other intimate products.

The practical order should therefore be:

inspect the garment;
confirm the fit where appropriate;
check the return policy;
decide that the item will be kept;
then wash it before normal wear.

Trying on a garment briefly to assess its fit is different from wearing it for an extended period as part of normal use.

The care label determines the first wash

The fact that a garment is new does not override its care label.

Under the international textile care-labelling system, the label describes the most intensive treatment that should not cause irreversible damage to the complete article. The instructions apply to the most care-sensitive parts of the garment, including its colouring, finishing, accessories and applications—not only its principal fibre.³

This is particularly important for lingerie.

A garment described as cotton may also contain:

elastane in the waistband;
lace panels;
decorative trims;
printed details;
foam padding;
elastic straps;
or bonded components.

The presence of cotton in one part of the garment does not automatically mean that the entire item can tolerate a hot or intensive wash.

For help understanding individual symbols, see What do the symbols on lingerie care labels mean?

New underwear usually needs a normal label-compatible wash

Everyday underwear should normally be washed before its first full wear.

The wash does not need to be unusually intensive simply because the garment is new. Select the temperature and programme according to the complete item and its care label.

A practical first wash generally involves:

separating dark or strongly coloured items from pale laundry;
selecting a compatible programme;
using an appropriate amount of detergent;
rinsing the garment adequately;
and allowing it to dry completely before wear.

Avoid adding extra detergent in the belief that more product will make the garment safer. Excess detergent can be difficult to rinse fully from close-to-body textiles.

A high-temperature programme should not be selected unless the complete garment’s care instructions permit it and the washing conditions are otherwise appropriate.

For the broader washing process, see How to wash underwear hygienically. Temperature selection is covered separately in What temperature should underwear be washed at?

New bras should be protected from the first wash onward

New bras should also generally be washed before they enter regular wear.

However, their construction often requires more consideration than a simple pair of briefs.

Depending on the design, a bra may contain:

moulded or padded cups;
underwires;
elastic bands;
adjustable straps;
hooks and eyes;
lace;
embroidery;
bonded seams;
or removable inserts.

The first wash can damage these components if the method is too aggressive, even though the garment has never previously been worn.

Before washing a new bra:

follow its care label;
fasten hooks so that they are less likely to catch;
use a suitable laundry bag if machine washing is permitted;
avoid twisting or wringing the cups;
reshape padded or moulded areas while damp;
and use the specified drying method.
and use the specified drying method.

The first wash should not be treated as an exception during which the bra can be washed more intensively than it will be in future.

A complete method is covered in How to wash bras without losing their shape.

Silk, lace and highly delicate lingerie require the same principle

Delicate lingerie should still be prepared before normal wear, but “wash before wearing” does not mean that every item should be placed in a conventional machine cycle.

Silk, fine lace, embroidery and highly structured garments may require:

hand washing;
lower water temperatures;
reduced mechanical action;
a detergent suitable for the material;
shorter contact with water;
or professional textile care.

Some specialised items, such as adhesive garments or products containing silicone components, may have their own cleaning instructions and may not be suitable for an ordinary wash.

In these cases, follow the manufacturer’s instructions rather than improvising a stronger process.

The first-wash recommendation and the care label are not competing rules. The recommendation answers whether the garment should be prepared before normal wear; the label answers how that preparation can be carried out without damaging it.

A first wash is preparation, not disinfection

The purpose of washing new lingerie is not to sterilise it.

For an ordinary new retail garment, a label-compatible wash is generally a proportionate precaution. There is no automatic need to use:

bleach;
disinfectant additives;
antibacterial products;
prolonged soaking;
or the highest available temperature.

These measures may be unnecessary and may be incompatible with the garment.

A first wash also cannot guarantee the removal of every substance from a textile. It reduces ordinary surface residues and prepares the garment for wear; it should not be presented as a complete chemical purification or medical disinfection process.

The appropriate goal is straightforward:

Wash the garment in a way that reduces avoidable residues without creating unnecessary damage.

A practical first-wear routine

Before wearing new lingerie for a full day:

inspect the garment and confirm that it will be kept;
check the retailer’s return conditions;
read the fibre and care labels;
separate colours where necessary;
use a wash process suitable for the complete garment;
avoid unnecessary high heat or disinfecting products;
rinse adequately;
reshape structured garments where required;
and allow the item to dry fully before wearing it.

The most useful general rule is simple:

New bras and underwear should normally be washed before first wear, but the first wash should be no more intensive than the individual garment can safely tolerate.

Washing new lingerie is a precautionary part of garment care—not a reason to assume that every new item is dangerous, and not a reason to disregard its materials or construction.