Healthy hair produces a certain amount of sebum, or oil, as a way to hydrate your scalp and protect your hair. Sebum is an oily, waxy substance produced by your body's sebaceous glands. The amount of oil you produce varies depending on your hair type, your hygiene habits, and other lifestyle factors.
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Tips, Tricks and Facts on Hair.
RandomTurns out there are alot of fun facts about hair that we don't know. So I'm writing this book to enlighten you all on your hair.