Acne Vulgaris vs Perioral Dermatitis

How to tell the difference — key features compared side by side.

Feature
Acne Vulgaris
Perioral Dermatitis
Category
Common
Common
Key feature
The most common skin condition worldwide - affects 85% of teenagers. Caused by clogged pores, bacteria, hormones, and inflammation.
Red, bumpy rash around the mouth and nose - often triggered by topical steroids. Common in women aged 20-45.
Risk factors
Puberty and hormonal changes; Family history of acne; Hormonal fluctuations (menstrual cycle, PCOS)
Women aged 20-45; Use of topical corticosteroids on the face (most common trigger); Heavy or occlusive facial moisturizers
Action needed
Acne not improving with over-the-counter benzoyl peroxide and retinoids after 2-3 months
Persistent bumpy rash around the mouth that does not resolve with simple skincare changes

Acne Vulgaris

Acne vulgaris is the most common skin condition, affecting approximately 85% of people between ages 12 and 24. It occurs when hair follicles become clogged with dead skin cells and sebum (oil), creating an environment where the bacterium Cutibacterium acnes thrives, triggering inflammation.

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Perioral Dermatitis

Perioral dermatitis is a facial rash characterized by small red papules, pustules, and mild scaling distributed around the mouth, nose, and sometimes the eyes. It predominantly affects women aged 20-45, though it can occur in men and children.

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Does yours look more like acne vulgaris?

Quick self-check

Does this look like acne vulgaris? Answer 2 questions.

Do you have a mix of blackheads, whiteheads, and red bumps?

Is it mainly on the face, chest, or back (areas with many oil glands)?

Still not sure?

Our full ABCDE checker evaluates 5 clinical criteria dermatologists use.

Full ABCDE check →