Encyclopedia
Vitamins
2 vitamin ingredients explained in plain English.
Biotin Biotin Vitamin B7, sold as a white crystalline powder. Strong oral evidence for hair and nail support; topical effects are more modest but real. Vitamin B12 Cyanocobalamin Water-soluble vitamin with antioxidant and skin-soothing properties. Adds a distinctive pink colour to serums and is used at very low concentrations for anti-aging and redness-reducing formulas.