eucerin® dermopurifyer adjunctive hydrating care with its intensely hydrating non-greasy texture helps to compensate for the irritating & drying out effects of common medical acne treatments. it helps soothe irritated skin & strengthens the skin's barrier. with its unique active ingredient combination it is effective for acne-prone skin in three different ways. natural licorice extract to help soothe & calm the skin decandiol to help prevent skin irritation & carnitine regulates sebum production.spf 30 uvb + uva to protect your skin from harmful uv-radiation & irritation due to increased sunlight sensitivity induced by common acne medication. the skin is left soothed & supple. for a healthy-looking smooth & clearer complexion. clinical & dermatological studies prove: very good skin tolerability with common acne medication., specially formulated for dehydrated skin due to the treatment of acne, soothes & intensively hydrates skin, non-comedogenic; does not clog pores