Most of us assume that alcholols in your skin care products will result in dry, irritated and inflamed skin. However, there are good and bad alcohols. The bad alcohols include ethanol, denatured alcohol, ethyl alcohol, methanol, benzyl alcohol, isopropyl alcohol, and sd alcohol, which not only can be extremely drying and irritating to skin, but may be cytotoxic. Alcohol helps ingredients like retinol and vitamin C penetrate into the skin more effectively, but it does that by breaking down the skin’s barrier—destroying the very substances that keep your skin healthy. With regular exposure to alcohols in your skin care products, cleansing becomes a damaging ordeal. Once alcohol dissolves your skin’s barrier, it.