Hair, Skin & Nails Extra-Strength Tablets, 90 ct, QC99580 Sale! This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. Beauty support for hair, skin and nails. 5000 mcg of Biotin per serving with antioxidants A, C and E, B-Complex vitamins and minerals. No added yeast or artificial flavors and gluten-free.