Photos: Julio Alvite The body’s largest organ is the skin. Put like that, it’s impressive. And especially because taking care of our skin contributes to health and beauty and helps to ensure a pleasant appearance. The skin’s layers (epidermis, outer, and dermis, inner) play essential roles: they act as barriers against external agents, covering and containing our sensory receptors and regulating body temperature.  Without them, our bodies would be left unprotected.