The TRESemm?? Anti-Breakage Shampoo system was created to moisturize and nourish your hair, targeting the most damaged areas to reduce breakage by 80 percent after just one use*. Gentle and light enough for daily use, this advanced strengthening system with gelatin and vitamin B12 helps restore and revitalize distressed, weak hair to keep it smooth, healthy-looking and strong. Size: 32 oz. Gender: Unisex.