Paste any ingredient list — skincare, toothpaste, makeup — and instantly flag known PD triggers like SLS, fluoride, and fragrance.
Check my ingredients →“I spent months trying to figure out what was causing my flares. Turns out it was SLS in my cleanser AND fluoride in my toothpaste. I wish a tool like this existed when I first got diagnosed.”
— Community member, r/PerioralDermatitis
No account. No app. Just paste and check — in under 10 seconds.
Copy the full ingredient list from any product — skincare, toothpaste, makeup — and paste it into the checker.
Our database of 80+ known PD triggers scans every ingredient and categorises them as Avoid, Caution, or Safe.
Get a clear breakdown with reasons for every flagged ingredient — so you know exactly what to avoid and why.
These ingredients appear in everyday products and are among the most widely reported causes of perioral dermatitis flares.
The #1 surfactant trigger — found in most cleansers and many toothpastes.
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Top toothpaste trigger, especially for perioral breakouts around the mouth.
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Unpredictable cocktail of irritants. The PD wiki explicitly says stop all fragranced products.
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Heavy occlusive that traps bacteria and blocks skin from breathing.
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Common toothpaste irritant. Switching to mint-free often reduces perioral flares.
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Common trigger and allergen found in lip balms and heavy moisturizers.
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Paste the full ingredient list from any product below.