How to Protect Your Hair from Pool Water

For a practical swimming routine, use a well-fitting swim cap, rinse your hair after the pool and follow with suitable cleansing and conditioning. Frequent swimmers may need a specialist swimmers’ shampoo. Choose it for that purpose rather than assuming an everyday shampoo removes every pool-related residue.

Before your next swim, pack the products and tools you will actually use afterwards. Having a conditioner and a gentle detangling tool in the bag is more useful than planning an elaborate treatment you will skip.

Before swimming: prepare your hair and cap

Follow the pool’s shower instructions and arrange longer hair so it sits comfortably under your cap. Fit the cap carefully rather than tugging it over loose tangles. A cap is a useful protective step, but do not treat it as a guarantee that your hair will stay completely dry.

The American Academy of Dermatology recommends a swim cap and discusses oil or leave-in conditioner as an additional barrier. If you use a product before swimming, follow its instructions and the pool’s rules. A rinse-out conditioner is not automatically a leave-in product.

After swimming: rinse, cleanse and condition

1. Rinse promptly. Make the shower your next stop when you are finished in the pool.
2. Choose the right cleanser. If you swim regularly, ask about a shampoo specifically intended for swimmers. Follow its directions and avoid repeatedly scrubbing the hair.
3. Condition the lengths. Distribute the product, give tangles time to loosen and rinse as directed.
4. Dry gently. Blot with a towel, then air-dry or use a dryer on low heat if needed.

Which By Vilain products fit the routine?

By Vilain Rush Shampoo is an everyday cleansing option, and By Vilain Rush Conditioner can be used for the conditioning step. Follow the label on each.

Rush Shampoo is not presented here as a specialist chlorine or metal-removal treatment. If pool residue is a recurring issue, choose a product whose stated purpose addresses it and ask your hairstylist how to fit it into your routine.

For detangling, the By Vilain XL Comb provides wide-spaced teeth. Start near the ends and work upwards; stop and release a knot rather than dragging the comb through it.

What if blonde hair looks green after swimming?

A green tint can be associated with copper in pool water, as described in the AAD’s summer-hair guidance. It is not a cue to bleach the hair again or keep experimenting with kitchen ingredients.

Tell your colourist when the change appeared and how often you swim. Ask whether a targeted treatment is appropriate for your colour and hair condition. Avoid layering improvised treatments over recently coloured or already fragile hair.

How should frequent swimmers adapt the routine?

Keep the after-swim steps simple enough to repeat. Store what you need together, check whether the cap fits comfortably and pay attention to changes in how easily the hair detangles. If the lengths feel increasingly rough or difficult, review the cleanser and conditioning routine with your hairstylist.

If you usually style with heat after swimming, consider a simpler finish on pool days. This can reduce the number of styling steps while the hair already needs extra care. Persistent scalp irritation should be assessed by a healthcare professional.

What about swimming outdoors?

A pool routine covers the water; outdoor time also calls for sun protection. Take a hat for time out of the pool and read our summer hair-care guide for the rest of the day.

Related guides

• 10 Tips to Protect Your Hair in Summer
• 5 Hair Care Tips for Men: Build a Routine That Works