Optimal Hair & Scalp Health **BeautyScienceNature  Best hair growth blend – Packed with natural extracts, amino acids, Biotin, Keratin and Argan Oil, Vitamins B and E, Saw Palmetto and more, this shampoo features proprietary hair growth complexes clinically indicated to stimulate deep growth and prevent breakage and hair loss. Breakthrough complexes – Amino Kera NPNF Keratin complex penetrates deep to strengthen and revitalize damaged hair while moisturizing and conditioning. 3HC stimulates cells responsible for growing fibers and regulating hair follicle development. DHT Blocker – Saw Palmetto and Green Tea are essential to preventing dihydrotestosterone (DHT) to promote regrowth of natural hair. Additionally, Rosemary Oil helps treat alopecia and thinning hair. Strengthen & Reconstruct – A gentle everyday shampoo designed to volumize, strengthen, thicken and stimulate natural hair regrowth while providing intense moisture is an ideal solution for treatment of thinning, breakage, damaged and split ends. **Revivahair Shampoo may temporarily improve the healthy appearance of your hair and scalp.