Chapter 1: Why acne appears and how to deal with it
Acne is the result of various factors affecting the skin. To understand why they occur, it is necessary to understand the main causes and ways to prevent them.
One of the main causes of acne is excess sebum production. This can happen due to hormonal imbalance, stress, poor diet or poor skin care. Sebum secreted by the sebaceous glands can clog pores and lead to inflamed acne.
Another cause of acne may be hyperkeratosis — a violation of the process of exfoliation of skin cells. If
... 
