Most of the drugs in this group are preparations for topical use. Some few preparations for systemic use with clear dermatological applications, e.g. griseofulvin (antimycotic), retinoids (for treatment of acne) and psoralens and retinoids (for treatment of psoriasis) are classified in this group.

This group comprises drugs for systemic use in the treatment of acne. Antibiotics, such as tetracyclines and erythromycin, which are also used for the treatment of acne, are classified in group J.
Combinations of e.g. estrogen and antiandrogen, used for the treatment of acne, are classified in group G03 - Sex hormones and modulators of the genital system.

Retinoids used in severe psoriasis are classified in D05BB, whereas alitretinoin used for hand eczema is classified in D11A.