Leave-in hair treatment with keratin, collagen and vitamin B. Perfect for over processed hair restoring silkiness, vitality and elasticity. Recommended for hair extensions and with polish for straightener process with flat iron. De-frizzes and restores shine. Keeps hair healthy, soft, and beautiful. It can help revive damaged hair. Prevents future damage. Recommended for hair extensions and with polish for straightener process with flat iron. Perfect for over processed hair restoring silkiness, vitality and elasticity. Leave-in hair treatment with keratin, collagen and vitamin B.