Some people have a very oily hair type that make the hair not shine. Oily hair will look like a clot and dirty, even if someone has just washed in. In addition, oily hair is also sometimes encountered when a person does not wash their hair in a long time or more than 3 days.
Actually in the follicles there are hair roots and sebaceous glands which produce sebum (oil that helps keep skin and hair moist and shiny). But in certain people the oil content is higher or excessive compared to other people. (more…)Recent search: what in the brain causes excessive oil on hair