Support healthy hair function, growth and improved hair strength. This proprietary, advanced formula for helps to inhibit the triggers that can lead to weak, thinning or miniaturized hair. Bosley Professional Strength Vitality Supplements for Men help restore and nourish hair and scalp for thicker, shinier, healthier-looking hair. Promotes longevity of cell health, revitalizing the scalp to strengthen and repair from the inside out.