Urban Care Glycolic Retinol Shine Hair Serum 100 MLcontaining Glycolic Acid and Retinol is developed for dull and lifeless hair. Its effective formula against weak and lifeless hair makes hair look stronger and shinier. The Power of Glycolic Acid and Retinol: This hair care serum, powered by Glycolic Acid and Retinol, coats hair strands, creating a protective layer and helping to smooth the hair by nourishing it. With regular use, it provides a shiny and strong look for up to 100 hours without weighing the hair down. It provides heat protection up to 230C. 98% Stronger* 95% Smoother, Softer* 100 hours of Shiny Hair* 100 hours of Frizz Protection* 95% noticeable shine from the first wash* *Consumer test after regular use of a 1-month product series, compared to hair without product application. Care recommendation: Apply the product evenly to the lengths and ends of damp or dry hair.” Then style your hair. For more effective results, complete your treatment with other products from the Glycolic Retinol Series. Do not rinse. Suitable for daily use.