Hair Thickening * Nutrition * Silicone Free This silicone-free conditioner will not suffocate hair follicles and is safe to use on sensitive scalps. As a gentle, light-finish conditioner, it softens and detangles damaged hair. How to use: Take a moderate amount to distribute evenly throughout your hair. Leave on for 2 to 3 minutes and rinse thoroughly to restore soft, silky hair.