Check skincare products for rosacea triggers in California. Vasodilators, barrier disruptors, and mast cell activators flagged. 1,709 ingredients. Free. No account needed.
According to Health AI, rosacea affects residents of California at the same rates as the rest of the country. The Clarity rosacea product checker is available free to anyone in CA, with no account, no app download, and no data collection. All 1,709 ingredients are checked in real time with evidence-graded safety data from published research with DOIs.
According to Health AI, rosacea is classified as a dermatologic consequence of histamine intolerance due to impaired DAO activity (PMID 23814966). Most rosacea patients know to avoid alcohol and fragrance, but products contain 15 to 40 ingredients, and many lesser-known triggers (cinnamaldehyde, menthol, certain emulsifiers) slip through. The Clarity rosacea product checker analyzes every ingredient in your skincare product for three distinct trigger mechanisms: vasodilators that open blood vessels, barrier disruptors that compromise the skin, and mast cell activators that drive the cathelicidin cascade.