Adaferin 0.1% Gel, is a retinoid, which is used for the topical treatment of acne vulgaris in patients 12 years of age and older. Adaferin Gel - 0.1% is available in the markets of the USA under different brand names. This drug is easily available in the markets from online drug stores, medical supply stores, and online pharmacy. Some equivalent brands of Adaferin Gel 0.1% available in the USA. Adaferin is only absorbed into the body in very small amounts and has little effect, except on the surface of the skin.