DIETARY SUPPLEMENT FOR BEAUTIFUL HAIR AND NAILS. PHYTO's No.1 seller. A 'beauty pill' that supports shiny, fuller hair, stronger nails and glowing skin from the inside out. 95% of women noticed visible improvement in hair quality*. 1 bottle contains 2 months supply.*In a study conducted by an independent laboratory on 20 women experiencing thinning, weakened or damaged hair.