Free tool
Ingredient conflict checker
Paste the ingredient list from a product (or two). We'll show the actives we recognise, which ones fight when layered, and which ones work well together.
Detected actives
- Mandelic AcidexfoliantMandelic acid is a large, gentle exfoliating acid, a good fit for sensitive or blemish-prone skin.
Layer on different days
No layering conflicts between the actives we found.
Work well together
No standout pairings among the actives we found.
Share this check
Run a skincare store on Shopify?
See how Qinci does this on every product pageBased on published ingredient lists, not the finished formula (pH, concentration and encapsulation all matter). Cosmetic guidance, not medical advice.