ZINC CYSTEINATE
ZINC CYSTEINATE
Is ZINC CYSTEINATE safe in skincare?
CIR safe with qualifications — approved up to a maximum %; the actual % in this product is unknown
Based on
- Reference: Cosmetic Ingredient Review Expert Panel
Safe with limits · CIR report 755 conclusion
- Reference: Korea MFDS
MFDS Korea: restricted · MFDS Korea cosmetic restricted
Is ZINC CYSTEINATE classified as a carcinogen?
Only four bodies count here: IARC, EU CLP, US NTP and California Prop 65.
Not classified by IARC, EU CLP, US NTP, or California Prop 65.
How is ZINC CYSTEINATE regulated?
Cosmetic ingredient
Not found on any prescription-drug, professional-treatment, or US OTC monograph list, so it is treated as a cosmetic ingredient. This is a passive default ("not on any known restricted list"), not an individually verified positive finding.
Sources (2)
- Reference: Cosmetic Ingredient Review Expert Panel
- Reference: Korea MFDS
Red does not mean poison. Preservatives that stop a product going off, UV filters and fragrance can land on yellow or red depending on their score.
Green does not mean right for you. Skin and allergies differ from person to person. Treat the color as a starting point.