Octylisothiazolinone (OIT), whose active ingredient is 2-Octyl-2H-isothiazol-3-one, is a type of isothiazolinone preservative, which can cause allergic contact dermatitis.

Perioral dermatitis is a red rash that circles the mouth. The skin turns scaly and flaky with inflamed bumps. It can itch and burn. The cause is usually topical steroids.

This leaflet has been written to help you understand more about your contact allergy. It tells you what a contact allergy is, what causes this allergy and what you can do about it.

Oct 14, 2025 · Perioral dermatitis (PD) is a scaly, bumpy rash around the lips that can be red and itchy. You can get rid of it by identifying and avoiding products and medications that may be …

Mar 27, 2025 · Perioral dermatitis is inflammation of the skin around the mouth in the form of a scaly or red bumpy rash. Learn about other symptoms, risk factors, and more.

Jun 14, 2023 · Have you noticed a stubborn red rash around your mouth? If so, you may be experiencing perioral dermatitis, a chronic skin condition that has been on the rise in the past …

Objectives: To investigate the occurrence of octylisothiazolinone contact allergy and allergic contact dermatitis diagnosed and registered in the Allergen Bank at Odense University …

Feb 24, 2025 · Perioral dermatitis, presenting as a red, itchy rash and scaly bumps around the mouth. Correct identification is the key to successful treatment. The appearance of perioral …

If you have a rash around your mouth, you may have perioral dermatitis. This rash often looks like small, red, acne-like breakouts in people with light-colored skin and skin-colored breakouts in …

Red, inflamed papules: Small, slightly bumpy red spots, sometimes with accompanying pus or scaling. Burning or itching: The area may feel tender, itchy, or have a burning sensation. Clear …