Ascorbyl Dipalmitate

AKA: L-Ascorbic acid, Dihexadecanoate, 28474-90-0, [(2R)-2-[(1S)-1-hexadecanoyloxy-2-hydroxyethyl]-4-hydroxy-5-oxo-2H-furan-3-yl] hexadecanoate, TZMXUZAZMXYWGC-LBHUVFDKSA-N, (2R)-2-[(1S)-1-(Hexadecanoyloxy)-2-hydroxyethyl]-4-hydroxy-5-oxo-2, 5-dihydrofuran-3-yl hexadecanoate
Synthetic
Antioxidant
Vitamin C
Clean
L-Ascorbic acid, dihexadecanoate
Formula
C38H68O8
Mol. Weight
652.90
CAS #
28474-90-0
Form
Liquid
Functions
Antioxidant
Fights free radicals — the unstable molecules from UV, pollution, and stress that break down collagen and cause premature aging.
Neutralizes Free Radicals
Traditional Use
Developed in the mid-20th century as a fat-soluble derivative of vitamin C to improve stability and skin penetration compared to L-ascorbic acid, addressing the instability issues of native vitamin C in skincare.
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
ewg-1
medical-approval
pregnancy-nursing-safe
all-shades-safe
Phototoxicity Concern
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Skin Types
all-skin-types, gentle
Best For
Sun Damage
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing
🛡️Safety-assessed4 reviews
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR