How to Wash a Costume Wig (Synthetic or Human Hair) Without Ruining It

Most party and cosplay wigs are synthetic fibre, which behaves very differently from real hair. Hot water, a hair dryer or rough brushing can frizz or melt the fibres for good. The good news: washing a wig the right way takes about twenty minutes plus drying time, and it brings a tired costume wig back to life.

Before you start: check what it is made of

• Synthetic wigs are the norm for costumes. The label or packaging usually says so. They hold their style but do not like heat unless sold as heat-resistant.
• Human hair wigs can be washed and styled more like your own hair.
• If the label gives care instructions, follow them over any general advice, including this guide.

How often to wash a costume wig

Wash it when it looks dull, smells of sweat or smoke, or feels stiff from hairspray. For a wig worn a few times a year, that might be once a season. Washing too often wears synthetic fibres faster.

How to wash a synthetic wig, step by step

1. Detangle first. Hold the wig by the cap and gently comb from the ends upward with a wide-tooth comb or wig brush. Never brush from the roots down through knots.
2. Fill a basin with cool water. Add a small amount of wig shampoo or a gentle, sulphate-free shampoo and swirl.
3. Soak, do not scrub. Turn the wig inside out, submerge it and swish it gently for a minute or two, then let it soak for about five minutes. Do not rub the fibres together.
4. Rinse in cool water until no suds remain.
5. Condition (optional). A wig conditioner or a light conditioner diluted in water helps with softness. Keep it away from the cap, rinse lightly or as the product directs.
6. Remove water gently. Press the wig in a towel; never wring or twist.
7. Air dry on a stand. Put it on a wig stand or a tall bottle, away from heat and direct sun. Styled or curly wigs keep their shape better on a stand.
8. Finish when dry. Comb gently from the ends up again. A light spray of wig detangler helps with long fibres.

Human hair wigs

Wash with a gentle shampoo and conditioner, lukewarm water and the same no-wringing rule. Human hair can be heat-styled, but use a heat protectant and low settings, and expect it to need restyling after every wash because it does not hold a factory style like synthetic fibre.

Common wig problems and fixes

Problem	Likely cause	What to try
Frizz at the ends	Friction from collars or rough brushing	Detangler and patient combing; trim the worst ends
Tangles at the nape	Rubbing against clothes	Detangle in small sections, from the ends up
Stiff or sticky fibres	Hairspray or glue build-up	A proper wash with a soak
Melted, crinkled fibres	Heat from a dryer, oven or styling tool	Cannot be reversed; prevent by keeping heat away

Storing wigs between parties

• Store clean and fully dry.
• Keep wigs on a stand, or loosely in a hairnet inside a box or bag so they do not crush.
• Keep them out of sunlight, which can fade bright colours.
• Store with the original packaging or a breathable bag rather than an airtight plastic one if the wig is not completely dry.

Hygiene

Wigs touch the scalp, so wash a second-hand or borrowed wig before wearing it and wear a wig cap underneath. If your scalp is sensitive or reacts to a wig, stop wearing it and ask a pharmacist or doctor.

Building a full look? Start with our 25 DIY Halloween costumes.