Qinci

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

  • Tetrahexyldecyl Ascorbatevitamin

    Vitamins like Vitamin C and niacinamide (B3) even out tone, fade dark marks and make skin look fresher over time.

Layer on different days

No layering conflicts between the actives we found.

Work well together

No standout pairings among the actives we found.

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Based on published ingredient lists, not the finished formula (pH, concentration and encapsulation all matter). Cosmetic guidance, not medical advice.