Discover Biolage: a professional hair care brand that combines the best of nature and science to create high-performance, richly caring, highly sensory formulas, certified vegan* and cruelty-free by the Leaping Bunny program from Cruelty Free International. *meaning without animal-derived ingredients or derivatives. The Hydra Source Pre-Brushing Cream is a leave-in, heat protectant treatment that combines hydration and memory shape, in a lightweight formula. Heat protection up to 230°C Up to 48h of hydration & 72h of styling hold For optimal results, use the Hydra Source range: consisting of a Shampoo, a Conditioner, and a Deep Treatment Mask.