Keratin restructuring fluid Its special velvety action disciplines the hair, making it instantly shiny, soft, and silky without weighing it down. Enriched with Hyaluronic Acid and Ceramides, it reconstructs micro-fractures and imperfections in the hair fiber, enveloping the hair shaft with a protective anti-frizz and anti-humidity film that compacts the cuticle and seals split ends. USE: Apply a few drops to damp or dry hair. Do not rinse.