White pimples and blackheads, on the face or back, in adolescence or during menopause, acne affects many people.
A big culprit: sebum, an oily substance produced by the sebaceous glands located near each hair. The skin of some people produces too much of this fatty substance. The consequences are unfortunate: blocked skin pores, multiplication of bacteria, and then inflammation.
Why do some people have few buttons while others do not go a day without seeing a new one… What is their presence attributed to?