L’Oréal Professional Serie Expert Curl Expression Anti-Build Up Cleansing Shampoo has your back on your deep-cleansing days, gently removing excess product buildup without stripping hair of natural oils. Containing 2% Glycerin to help deliver lasting hydration, Urea H to help protect weakened curls, and Hibiscus Seed to help add moisture, strength, and softness, the expansive L’Oréal Professional Curl Expression family of products aims to supercharge curls and coils with exactly what they need to thrive: hydration and strength. Anti-Build Up Cleansing Shampoo provides this necessary moisture as it gently eliminates product buildup and impurities, leaving hair purified, strong, and hydrated.