The world's most reputable hair loss treatment and prevention brand with chemically-proven formulas that actively protect your hair from the possibility of hair loss. Bosley's hair restoration products use advanced technology to give immediate benefits of thicker, fuller hair. It is the only brand available that can defend, preserve and replace hair as we age from youth to adulthood. Biogenic, plant and ocean marine ingredients strengthen and fortify hair for thickness and volume, increases and strengthens hair growth and follicles for a healthy scalp. Remove and prevents the formation of Dihydrotestosterone (DHT), the #1 cause for thinning hair and hair loss.