The hair fiber is made up of 95% keratin, the production of which decreases with age. The Schwarzkopf Professional BC Bonacure Time Restore clay treatment provides an intense treatment for the scalp and mature hair. Thanks to coenzyme Q10, the formula stimulates the production of keratins, which are mainly responsible for hair growth, while panthenol hydrates and softens the hair. In just 10 minutes, your dull hair will be full of life again and, in addition, will be protected from external agents.