皮肤之所以会有过多的油脂，就是因为皮肤下层的皮脂腺分泌太旺盛的缘故。皮

The reason why there skin too much oil, it is because the sebaceous glands of the skin is too strong underlying reason. Sebum is a natural lubricant, make everyone's skin look healthy and shiny. But too much sebum will make people look unkempt, very prone to dark spots, blackheads and acne. Adolescents are particularly prone to these symptoms, because sebum secretion and endocrine systems are closely related, and adolescence is the period of dramatic changes in the endocrine system. During this period of great importance to appearance, the only people who have oily skin can feel is comfort: oily skin than dry skin aging more slowly.

The reason why the skin has too much oil is because the sebum glands in the lower layers of the skin are secreted too much. Sebum is a natural lubricant that makes everyone's skin look healthy and shiny. But too much sebum can make people look shaggy, and it's easy to see black spots, blackhead acne and acne. Adolescents are particularly vulnerable to these symptoms because the secretion of sebum is closely related to the endocrine system, which is the time of dramatic changes in the endocrine system. During this period of great emphasis on appearance, the only comfort for people with oily skin is that oily skin ages more slowly than dry skin.

The reason why the skin has too much oil is that the sebaceous glands in the lower layer of the skin secrete too much. Sebum is a natural lubricant that makes everyone's skin look healthy and shiny. But too much sebum will make people look unkempt, and it is easy to appear black spots, blackheads and acne. Adolescents are particularly prone to these symptoms, because the secretion of sebum is closely related to the endocrine system, and adolescence is the period of dramatic changes in the endocrine system. In this period of great attention to appearance, the only consolation for those with oily skin is that oily skin ages more slowly than dry skin.