Your hair will thank you later once it's got its new healthy lustre! This ultra-light treatment from Kerastase boasts the best active ingredients for over-processed or fine hair. Trendy and salon-used, this feature is caters for use before or after cleansing hair, and will supply that vital extra protection to hair fibre during washing! Renew a vivacious bounce and healthy sensation to your all-new head of hair. Wow, a product that will whizz by! Catch it before it runs away!