Restructures and conditions the hair, seals the cuticle and exerts a substantive and protective action. Hair will be healthier, conditioned, disciplined and full-bodied for longer. DIRECTIONS: Distribute evenly on washed and towel-dried hair. Massage and comb to facilitate the penetration of the product. Do not rinse.  Proceed with the desired styling. Use the required amount of product. One vial is usually enough to treat dry, brittle and porous medium-long hair.