Penetrates deeply inside the hair structure, strengthens, and plumps up instantly any damaged area with an intense internal restructuring action. The hair appears revitalized, tonic, elastic, and shiny. Botugen Reconstructive Filler penetrates deeply inside the hair structure, strengthens, and plumps up instantly any damaged areas with an intense internal restructuring action. Hair appears revitalized, tonic, elastic, and shiny after using the filler. [howto tab]After shampooing, apply the filler diagonally on towel-dried, uncombed hair, strand by strand along the lengths (starting from rear of the head) using a syringe (20 ml for short hair, 30 ml for medium long hair, 35/40 ml for hair) and massage against the scales from tips to roots, keeping an uniform pressure over the whole length. Leave on for 5 to 10 minutes under a heat source or cap. Do not rinse.[/howto tab] [ingredients tab]Botolife, Keratin and Hyaluronic Acid.[/ingredients tab]