The Difeel Biotin Pro-Growth Root Stimulator is a 99% natural blend formulated with fortifying Biotin to help stimulate hair follicles at the root and promote healthy hair growth. It works to strengthen hair, add shine, prevent hair loss, and restore thinning hair for visibly fuller results. To use, massage a small amount into the scalp and thinning areas, gently comb through from roots to ends, and use daily or as needed for best results. For maximum effectiveness, pair with the Difeel Biotin Pro-Growth Hair Mask. Proudly made in the USA.