Ascorbyl Tocopheryl Maleate
AKA “UNII-D2G6259XR5, 2-L-ascorbyl 6-dalphatocopheryl 2-butenedioate, L-Ascorbic acid, 2-L-ASCORBYL 6-D-ALPHA-TOCOPHERYL 2-BUTENEDIOATE, RefChem:114481, ASCORBYL TOCOPHERYL MALEATE [INCI], CME”
Vitamin
Ingredient Facts
Ascorbyl tocopheryl maleate
AKA: UNII-D2G6259XR5, 2-L-ascorbyl 6-dalphatocopheryl 2-butenedioate, L-Ascorbic acid, 2-L-ASCORBYL 6-D-ALPHA-TOCOPHERYL 2-BUTENEDIOATE, RefChem:114481, ASCORBYL TOCOPHERYL MALEATE [INCI], CME
Vitamin · Antioxidant · EWG: 1
Synthetic
Antioxidant
Emollient
Skin Conditioner
Vitamin C
Vitamin
Clean
A stabilized form of vitamin C that protects skin from environmental damage while softening and conditioning for a smoother, more radiant complexion.
Formula
C39H58O10
Mol. Weight
686.90
CAS #
320616-16-8
Form
Powder
See origin →
Functions
Antioxidant
Fights free radicals — the unstable molecules from UV, pollution, and stress that break down collagen and cause premature aging.
Emollient
Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.
Locks In Moisture
Traditional Use
Synthesized as a dual-antioxidant compound pairing vitamin C and vitamin E via a maleate linker, developed to provide complementary free radical scavenging in modern skincare formulations.
Skin Types
●all-skin-types, gentle
Best For
Sun Damage
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
1
CIR
Insufficient
Pregnancy
Yes
CIR Safety Findings
ewg-1
medical-approval
pregnancy-nursing-safe
all-shades-safe
Phototoxicity Concern
Concentration Guide
Dermal absorption: 1%. Source: CIR Safety Assessment (CIR Seq 667).
Regulatory Agencies
Verified Feb 2026
Data: PubChem · CosIng · EWG · CIR