The French Dermatology Society (SFD) estimates that 25% of French people are affected. This figure ranges from 41% to 54% for adult women depending on the study. What is the standard profile of an adult with acne, what are the causes of adult acne, and what factors promote the onset of acne?
The profile of adults with acne
Overall, women are more affected than men. Acne tends to affect the face in women and the back and neck in men. This difference in the location of pimples explains why acne has a much greater impact on the quality of life and self-image of women.
The influence of hormones is real for many women, who observe acne flare-ups right before their period begins. The production of androgens, which are male hormones involved in acne, peaks during the premenstrual period. However, experts suggest that there are many other responsible factors.