Kérastase Bain AprÉs-Soleil is an after-sun hair bath to repair coloured hair exposed to the sun. A Photo-DÉfense Filter provides active protection against both UVA and UVB rays. Cationic Silicone creates a hydrophobic barrier whilst Ceramide strengthens and reinforces the hair and softening and smoothing Polymers ease detangling. Eliminates the build-up of protection products, sand and salt from the scalp and hair. Hair has long-lasting softness, suppleness and radiance.