RELAX & GROW - the Elixir is a unique, potent formula packed with not one, but five natural clinically-proven hair growth actives (Redensyl™, Capixyl™, Procapil™, Baicapil™, Anagain™) that help create the perfect environment for hair follicles.HOW THE MAGIC HAPPENS - Booster and Elixir are a dream team: very much like skincare, they work best when used as a routine. The Elixir is your night serum, packed with calming ingredients that will help your scalp (and yourself!) to regenerate.