This instant conditioning and detangling spray is enriched with keratin and silsoft, that work to regulate the moisture balance while strengthening and smoothing the hair. The low pH level soothes the cuticle and enhances the hairrsquos shine without weighing it down. This line works wonders for damaged, dry or normal hair. After diligent use, hair is left silky smooth, stronger, healthier and easier to manage. How? Keratin! This fibrous protein is like your hairrsquos building block. It diminishes when your hair is damaged, and keratin loss makes hair extra vulnerable. Keratin Smooth products restore the hair and replenish keratin by injecting it into the outside of the strands as well as deep inside it.