Intensive treatment with keratin, vitamin b3 and patented technology for highlighted blondes. Strengthens the hair from the inside and restores its damaged keratin structure. This argan oil and sea butter mask nourishes and smooths the surface of damaged hair and removes any undesirable yellow tones. Use: apply once or twice a week for an intensive treatment to previously shampooed hair, massage into the entire length of the hair, leave it on for at least 10 minutes and rinse thoroughly. It can also be used as a wrap.