ASCORBYL ISOSTEARATE is graded A (Safe) by Expert·ING, based on COSING regulatory data.
ASCORBYL ISOSTEARATE
Vitamin C Ester
Safety grade: A
This is a stabilized form of Vitamin C that's been combined with a fatty acid to make it easier for skincare products to use and for your skin to absorb. It's designed to be gentler and longer-lasting than regular Vitamin C.
It conditions and smooths the skin while delivering the antioxidant benefits of Vitamin C to help protect skin and support a healthy, glowing complexion.
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