Supplement Article: Dysbiosis, (Barrier) Dysfunction, and Dermatoses: A Chicken-and-Egg Dilemma.

Acne vulgaris (AV) and rosacea are two of the most common dermatoses diagnosed and managed by dermatologists.1,2 Despite this and our improved understanding of the unique pathogenesis of each, there has been little focus on general skin care and how it may affect physiologic functioning of the epidermis until recently.