BC Bonacure Time Restore Treatment contains Q10-Collagen-Technology to replace missing Keratins & intensively strengthen your hair from the inside, leaving you with healthy, shiny, resilient & supple locks. Mature & fragile hair loses valuable Keratins which are vital for your hair's health, strength & appearance. BC Bonacure Time Restore Reinforcing Q10 Treatment stimulates the hair roots to activate production of the two keratins that subside over time & intensively strengthen & reinforce your inner hair's structure. To Use: Work into towel dried hair & rinse out after 5-10 minutes.