REPAIROO SHAMPOOhas hydrolyzed Keratin which has smaller and has a relatively low molecular weight. It penetrates the hair shaft and repairs the damaged strands, adding strength, elasticity, and shine to your hair. When applied topically, there is some evidence that biotin may strengthen existing strands and minimize splits and breakage, Pentavitin is a boon for dry, dull, and damaged hair. It nourishes and hydrates the scalp while keeping it healthy and well maintained. As per a clinical study, Pentavitin for hair provides instant and deep hydration, which lasts up to 2-3 days. It keeps the hair soft, smooth and shiny.