This highly concentrated advanced hair serum is scientifically formulated to promote thicker, fuller and healthier hair. It contains over 24% active ingredients designed to fight hair loss. The serum deeply penetrates the scalp to encourage circulation, promote healthy hair follicles, block DHT and ultimately minimize hair loss. It's suitable for both men and women. To use, apply a few drops to a clean, dry scalp and massage thoroughly. Ideal to use before bed every night.