Acne is a chronic inflammatory disease of the pilosebaceous follicle (hair follicles and associated sebaceous glands) with multifactorial aetiology.1
Acne manifests itself on the face and upper part of the torso. The most frequently affected areas are those with a high number of sebaceous glands:
- Face: 92%
- Back: 61%
- Chest: 45%.2
Prevalence
It is one of the most frequent dermatological pathologies and affects almost 80% of adolescents between the ages of 13 and 18. In adolescents, acne accounts...