TRESemmé Biotin Repair Shampoo is a strengthening and repairing cleanser formulated for damaged, weak and stressed hair that needs improved resilience, smoothness and manageability. The formula contains Hydrolyzed Keratin, Biotin, Panthenol, Niacinamide, Vitamin C and Vitamin E to provide targeted conditioning care while supporting healthier-looking hair. Hydrolyzed Keratin conditions weakened strands and improves the feel of rough or damaged-looking hair, while Biotin complements the strengthening formula for fragile, breakage-prone strands. Panthenol and Glycerin provide moisture-supporting care to maintain softness, while Dimethiconol smooths and conditions the hair surface for improved shine and manageability. Guar Hydroxypropyltrimonium Chloride and Polyquaternium-28 provide additional conditioning and support easier detangling. The cleansing system effectively removes everyday impurities, excess oil and product buildup while caring for damaged hair. Specially formulated to protect and visibly repair hair from 7 types of damage, the shampoo leaves stressed strands feeling cleaner, smoother and more manageable while preparing the hair for conditioning and styling.