What it is: BC Repair Conditioner repairs, protects, and strengthens the hair internally without overloading it, making it smooth and pliant for easy combing. What it does: Schwarzkopf Professional BC Bonacure Repair Rescue revolutionises hair care with the FIRST Biomimetic hair repair technology. What else you need to know: It not only repairs the cells within the hair but also recreates the hair surface Biomimetically; for hair returned to its optimal level of health.