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SKINCARE DECODED • 14 BASICS 101 • 15

Your skin is like an

onion—it́s got layers.

Epidermis This is the outermost layer of skin and

consists of cells called keratinocytes, which have a kind

of weird, oval shape. Keratinocytes constantly regen-

erate and move “up” toward the outer layers.

Dermis The second main layer of skin. This

is the structural layer holding everything “up.”

Skin Biology 101

W

hy, yes! A skincare book does always start with a diagram of the layers

of your skin. Here’s another one, except we’re only highlighting the

components that you’ll encounter in important skincare-science concepts

and common marketing lingo. Feel free to refer to this when you can’t figure out

what exactly that newly launched product is referring to.