Schwarzkopf Professional BC Fibre Force Fortifying Shampoo is a sulfate-free cleanser that gently provides damaged hair with strength while recreating bonds inside the matrix and sealing the cuticles for a long-lasting care. Benefits Gently purifies very fine hair without weighing it down. Provides a perfect, delicate and regenerating cleansing for renewed, protected and ready-to-treat hair. Strengths the hair structure. Cleanses and enhances extremely treated hair while providing shine. Technology Patented Bond Connector Technology is a combination of 2 chemicals that deeply reconstruct and seal the hair fibre, leaving it 10x more resistant to breakage, soft to touch and shiny. Instantly recreates the function of missing di-sulphide bonds in the hair matrix and regenerates hair from the inside out. Seals hair cuticles to lock all the active ingredients inside for long-lasting results. How to use Apply to wet hair and work gently. Leave in 1-2 minutes and rinse thoroughly.