Cosmetic ingredient analysis

Hyperpigmentation Risk Checker

Paste any skincare ingredient list (INCI or common names, any language). We'll flag each ingredient's risk of causing or worsening hyperpigmentation — irritation, phototoxicity, sensitization, eczema — with academic sources and overall product advice.

For natural pigmentation products, visit Hyperpigmentation.co.nz

Recommendations adjust for leave-on vs wash-off products.

Educational information only. Not medical advice.

Popular ingredient guides

Quick answers on common ingredients and hyperpigmentation risk.

Browse all 20 ingredient guides starting here.