Allantoin Ascorbate
AKA: 57448-83-6, ALLANTOIN-ASCORBIC ACID COMPOUND, ALLANTOIN ASCORBATE [INCI], (2, 5-Dioxoimidazolidin-4-yl)urea L-ascorbate
Synthetic
Antioxidant
Soothing
Skin Conditioner
Barrier Support
Vitamin C
Wound Healer
Not Clean
(2,5-Dioxoimidazolidin-4-yl)urea L-ascorbate
Formula
C10H14N4O9
Mol. Weight
334.24
CAS #
57448-83-6
Form
Powder
Functions
Antioxidant
Fights free radicals — the unstable molecules from UV, pollution, and stress that break down collagen and cause premature aging.
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Skin Protecting
Helps rebuild and strengthen your skin barrier — the invisible shield that keeps moisture in and irritants out. Essential after over-exfoliating or harsh weather.
Soothing
Calms redness, irritation, and inflammation. Your skin's chill pill — great for sensitive, reactive, or post-procedure skin.
Nourishing
Protecting
Traditional Use
A modern synthetic combination of allantoin (derived from comfrey root, traditionally used for wound healing) and vitamin C (ascorbic acid, discovered in the 1930s). This combination was developed to create a more stable, skin-conditioning ingredient with anti-aging potential.
Skin Types
●all-skin-types
Best For
Dullness
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR