Country Life® Maxi-Hair® Plus Biotin is an all-in-one biotin-based hair, skin and nails supplement designed to help you look and feel your best.** Biotin is an essential B vitamin that supports the formation of keratin, a building block for hair, scalp, skin and nails.** Our Maxi-Hair® Plus Biotin bolsters your body’s supply of biotin to help nourish healthy hair.** This clean formula also includes a a blend of botanicals and amino acids, as well as a complementary vitamin and mineral blend designed to support skin and nail health for natural beauty from the inside out.