Biotin is a B vitamin that you need for healthy hair and skin. It is often overlooked, but biotin is also necessary for energy production from carbohydrates. PatchAid Biotin Plus Vitamin Patch: May support youthful-looking hair, skin, and nails.* May support a healthy metabolism.* May promote heart health.* PatchAid Biotin Plus Vitamin Patch offers: Vitamins A and C – two antioxidant vitamins. Folate – the “leafy dark green” vitamin. Vitamin D3 – the “sunshine” vitamin.