Hairgenics products are NEVER tested on animals, and made in the USA. Only the best, and highest purity ingredients go into our products! 100% Money Back Guarantee for any reason. Scientific research on hair loss has shown that the number one factor in hair loss is the production of dihydrotestosterone or DHT. Pronexa Shampoo contains clinically proven DHT blockers including Saw Palmetto Extract which effectively block DHT and prevent hair loss. Pronexa Hair loss shamppo is safe for men and women of all ages. For the best results, use for at least 6 months and utilize the complete Pronexa Hair Care System including our Pronexa Hair Growth Supplement that nourishes hair from the inside out to achieve full, thick and healthy looking hair and stops hair loss and thinning in its tracks. Contains clinically researched levels of hair growth vitamins such as Biotin, Vitamin B5, and Collagen Peptides for maximum hair regrowth and health. Biotin for hair growth not only promotes healthy hair growth but also prevents hair dryness. Biotin also increases the elasticity of the hair cortex, thereby strengthening hair, minimizing hair breakage and helping hair grow longer, healthier and thicker. Hairgenics Hair Loss Shampoo and DHT Blocker for thinning hair is a Biobased Certified Product, Certified Organic Ingredients: Ultra Purified Water, Cocamidopropyl Hydroxysultaine, PEG-150 Distearate, Aloe Vera Extract, MSM, Biotinyl Tripeptide-1, Apigenin, Oleanic Acid, Saw Palmetto Extract, Glycol Monostearate, Sodium Chloride, Citric Acid, Biotin, EDTA, DMDM Hydantoin, Hydrolyzed Collagen, Seaweed Extract, Hydroxyethyl Cellulose, Enriched Vitamin B5, Fragrance, Hydrolyzed Silk Protein.