Ascorbic acid (Vitamin C)

Ascorbic acid (Vitamin C) 1
Ascorbic acid (Vitamin C) 2
Ascorbic acid (Vitamin C) 3
Ascorbic acid (Vitamin C) 4
Ascorbic acid (Vitamin C) 5
Ascorbic acid (Vitamin C) 6
Ascorbic acid (Vitamin C) 7
Ascorbic acid (Vitamin C) 8
Ascorbic acid (Vitamin C) 9
Synthetic
Antioxidant
Skin Conditioner
Vitamin C
Acid
Clean
Restricted:EWG VERIFIED products cannot contain this ingredient without adequate substantiation.
Formula
C6H8O6
Mol. Weight
176.12
CAS #
50-81-7 / 62624-30-0
Form
Liquid
State
Solid
Functions
Antioxidant
Fights free radicals — the unstable molecules from UV, pollution, and stress that break down collagen and cause premature aging.
Buffering
Masking
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Neutralizes free radicals
Brightens uneven skin tone
Boosts collagen production
Evens pigmentation
EWG
1
CIR
—
Pregnancy
—
CIR Safety Findings
ewg-1
pregnancy-nursing-safe
all-shades-safe
Phototoxicity Concern
Regulatory Agencies
Skin Types
●all-skin-types, gentle
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: Kew POWO · PubChem · CosIng · EWG