Acne Vulgaris

How common is acne?

• Acne is the most common skin problem among adolescents.
• In Singapore, it affects up to 88% of adolescents, with half having moderate or severe acne.
• Although most commonly occuring in teenagers, acne can persist or occur for the first time in adulthood.
• Acne may lead to permanent scarring.
• Acne can lead to poor self-esteem and psychosocial problems.

Why does acne occur?

• Patients with acne often have a family history of acne.
• Four factors lead to acne:
1. Hormonal stimulation
2. Abnormal keratinisation (shedding of dead skin cells)
3. Bacterial infection (Propionibacterium acnes)
4. Inflammation