Epidermis

The epidermis is the outermost of the three major layers that constitute the skin, the inner layers being the dermis and hypodermis. The epidermal layer provides a barrier to infection from environmental pathogens and regulates the amount of water released from the body into the atmosphere through transepidermal water loss.

Back to Skin Health & Protection →

Source: Wikipedia · Image: Wikimedia Commons · Public domain

WHYSKIN

Skincare routines, ingredient science, and healthy-skin tips.

Get new guides by emailOccasional emails. No spam. Unsubscribe anytime.

InformationAbout Contact Privacy Policy Terms of Service Disclaimer Affiliate Disclosure Cookie Policy

Every species, image, fact, and figure is drawn from Wikipedia and Wikimedia Commons, used under public-domain and Creative Commons licenses. No content is AI-generated.