What are the causes of perioral dermatitis?

Causes of perioral dermatitis:

The exact cause of perioral dermatitis is usually unknown. Possible causes include:

• Changes in hormones (menstruation, pregnancy, oral contraceptives)
• May be aggravated from cosmetics (creams, fragrance, mascara. dyes)
• Topical steroids
• Contact allergens

Lesions may be aggravated from exposure to ultraviolet radiation (sun or tanning), head, and wind.