The Keratin Serum from the Lisse Design line is a light, velvety fluid that helps to keep the hair in shape, detangles it and makes it soft and easy to comb. [Properties] - The hair is smooth, velvety, shiny and easy to comb - Reduces frizz - Highly flexible: suitable for all hair types (including bleached and treated hair) - With Kera-Collagen Complex & Babassu Oil - Results last up to 4 months It is the optimal care for at home after an Easy Lisse or straightening treatment. For optimal results, use in conjunction with the Maintenance Shampoo, Maintenance Conditioner, Keratin Oil and Rehydrating Mask from the Lisse Design series.