Accutane, known generically as isotretinoin, is not simply a strong acne medication. It is a systemic retinoid that temporarily alters gene expression, cellular signaling, and sebaceous gland biology ...

Spongiotic dermatitis is a pathological term that refers to a non-contagious skin inflammation, which is often present in eczema, dermatitis, and allergic contact dermatitis.

This article is part of a special issue investigating key questions about skincare. Find the full series here. Look under the microscope at any square centimetre of human skin and you will find it ...