The Goldwell Kerasilk Nourished Controlled Shampoo and Conditioner set is designed for both men and women with dry or damaged hair. This vegan hair care product contains Keratin, known for its nourishing properties. The shampoo and conditioner combo comes in large 25.3oz bottles, ensuring long-lasting use. The formula is specifically crafted to provide a nourishing styling effect, helping to improve the overall health and appearance of the hair. Perfect for those looking to hydrate and revitalize their locks.