Anyone who has ever struggled with acne will admit that it is not an easy and short fight. It requires, among other things, specialized skin care. How to care for acne skin? What are effective cosmetics for acne (e.g. with mandelic, azelaic, salicylic acid)? What helps against hormonal acne (e.g. retinol)? How to care for the skin after dermatological treatments (e.g. serum with trehalose, cream with dexpanthenol or allantoin)?