There are two types of people in the world: people who pick their faces and people who don’t. I’m someone who can’t leave a single blemish or clogged pore on my face untouched, so I fall into the ...

Sebum is an oily substance that protect and hydrate the skin’s surface. It mixes with fat molecules, called lipids, to form a protective coating on the skin. The sebaceous glands produce sebum. It ...