The skin produces sebum, which can be oily and contains an oil-like substance. Excessive production of sebum causes acne on the skin, but it also moisturizes and protects your skin. Sebum is an oily, waxy substance produced by the body's sebaceous glands. It coats, moisturizes and protects your skin. It is also the main component of what we think of as the body's natural oil.
Read more - (Daily skincare routine for glowing skin)