The unique formula utilizes a sophisticated blend of antioxidants, vitamins A, E, D, B12 and H and specific plant proteins to defend and protect your scalp and hair. The scalp can undergo stress due to over-processing, hormones, over-styling and a litany of other factors. Hair Guard Tonic helps to combat those factors and reduces hair loss by fortifying the scalp and nourishing the follicle for maximum volume and thickness. This tonic not only treats thinning hair, but increases healthy hair growth and fullness in normal hair as well.