CUPROUS OXIDE is graded A (Safe) by Expert·ING, based on COSING regulatory data.
CUPROUS OXIDE
Safety grade: A
Cuprous oxide is a red or reddish-brown powder that is a form of copper. It's used in skincare products to help improve skin texture and appearance.
Cuprous oxide conditions the skin by helping to maintain skin smoothness and supporting overall skin health and appearance.
Graded using: COSING.
Last verified: May 26, 2026
Other Skin Conditioning ingredients
- TOCOPHEROL — Grade A
- PROPYLENE GLYCOL — Grade A**
- XANTHAN GUM — Grade A
- DIMETHICONE — Grade A
- TOCOPHERYL ACETATE — Grade A
- PANTHENOL — Grade A
- CAPRYLYL GLYCOL — Grade A
- ETHYLHEXYLGLYCERIN — Grade A