The rich Kérastase hair mask is designed as a nourishing split ends treatment and is enriched with Hyaluronic Acid and Edelweiss Flowers Extract to reconstruct post-bleach hair, reduce split ends and enhance the resilience of the hair fibre. Use as an intense-conditioning treatment after your blonding for stronger, softer hair. 

For hair that is +97% more hydrated and with -63% split ends.*