Silk Touch System Mask is formulated with a unique blend of nutrients and proteins that aid in repairing, rejuvenating and rebuilding keratin bonds in your hair, helping hair maintain its straight appearance. It will leave hair hydrated and nourished for improved elasticity and softness. Infused with the highest quality keratin available today, for additional benefit of fighting humidity and frizz, leaving locks silky-smooth and shiny without weighing them down. This mask is ideal for anyone who performs Keratin treatments or other hair straightening services. Safe for use on chemically and color-treated hair.