Schwarzkopf, BC Bonacure Fibre Force ShampooBC Fibre Force introduces a new dimension of hair repair returning even most eroded hair to its optimal level of force and resilience. For the first time, the formulas with Micronized Hair-Identical Keratins penetrate deeply into the hair architecture to re-cement specifically the Cell-Membrane-Complex, the intercellular bonding cement responsible for strong and resilient hair fibre.For the first time, the formulas with Micronized Hair-Identical Keratins penetrate deeply into the hair architecture to re-cement specifically the Cell-Membrane-Complex, the intercellular bonding cement responsible for strong and resilient hair fibre. Benefit: BC FIBRE FORCE Shampoo gently cleanses extremely damaged hair and restores it from within. Application: Work into wet hair and rinse out.