100% VEGAN Formula: Growth Hair Serum is powered by proprietary plant-based, cruelty-free formula and enhanced it with powerful new phyto-actives. The original vegan formula nourishes the follicular ecosystem and scalp to support and enhance healthier hair, promoting visibly thicker, fuller, longer-looking hair.Lightweight Growth Scalp Serum: Infused with a powerful blend of multiple amino acids and peptides to detox follicle buildup, support thicker hair, and encourage overall scalp health. It revives the scalp and follicles to prevent further thinning while promoting new thicker hair growth.