Adaferin (Adapalene Gel 0.1%) is a topical retinoid primarily used for the treatment of acne vulgaris. It works by modulating skin cell turnover and reducing inflammation to clear existing breakouts and prevent new ones from forming
The drug is commonly used in doping within bodybuilding, even though this use is illegal. If intended to assist in bodybuilding, the drug is taken as part of a steroid stack of other anabolic steroids, usually with a potent androgen like testosterone as the 'base' of the stack