BIS-GLYCERYL ASCORBATE is graded A (Safe) by Expert·ING, based on COSING regulatory data.

BIS-GLYCERYL ASCORBATE

Vitamin C Derivative

Safety grade: A

This is a modified form of Vitamin C that is more stable and easier for skincare products to use than regular Vitamin C. It helps protect skin from damage and keeps it hydrated.

This ingredient protects skin from environmental damage and free radicals while also helping the skin retain moisture, making it useful in anti-aging and hydrating skincare formulations.

Graded using: COSING.

Last verified: May 26, 2026

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