The BC Bonacure Repair Rescue Nourish Treatment, 200 ml secret lies in our highest concentration of breakthrough proteolipids, a powerful combination of hydrolysed keratin and lipid components, that restore the protective layer of virgin hair. The Amino Cell Rebuild, with Amino Acids and Panthenol, acts to perfect the cortex, rebuilding the architecture of the hair from the inside out, restoring strength and elasticity, while adding vital moisture. The Cell Perfector Technology provides additional care – repairing the hair by filling structural gaps, restoring elasticity and imparting deep shine throughout. The most intensive BC treatment for extremely damaged normal to thick hair. How to use: Apply to the mid-lengths and ends of towel-dried hair and work through, comb through, leave for 5-10 minutes, rinse thoroughly and use 1-2 times per week.