Working as you sleep, Avedas Botanical Repair Strengthening Overnight Serum provides deep renewal from the inside out, delivering repairing and fortifying benefits to all three layers of the hair the cuticle, cortex and medulla. n Fuelled by plant-powered technologies, the featherlight serum helps to improve the look of dry split ends by forming an invisible anti-friction veil over each strand, preventing further damage. Suitable for all hair types and textures. Wake up to stronger, healthier looking hair after just one night. n Vegan.