Tetrahexyldecyl Ascorbate

AKA: 183476-82-6, Ascorbyl tetraisopalmitate, Vitamin C tetra-isopalmitate, VC-IP, Oristar THA, Nikkol BV-OSC, BV-OSC, ORISTAR ATIP, NIKKOL VC-IP
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Synthetic
Skin Conditioner
Vitamin C
Clean
OriginSynthesized from ascorbic acid (vitamin C) and long-chain fatty alcohols through esterification reactions. Produced by chemically bonding ascorbic acid with tetrahexyldecanol to create a lipid-soluble, stabilized derivative.
Tetrahexyldecyl Ascorbate is a cosmetic ingredient. Also known as 183476-82-6. Rated low hazard by EWG.
Formula
C70H128O10
Mol. Weight
1129.80
CAS #
183476-82-6, 1445760-15-5
Skin Types
●all-skin-types
Best For
General
Functions
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Antioxidant Protection
Neutralizes Free Radicals
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory0 listings
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
1
CIR
Insufficient
Pregnancy
—
Concentration Guide
Leave-on0.000000006–3%
Rinse-off0.001–2.5%
0%50%100%
CIR reported use · 2016 survey
Regulatory Status
USAunder review
CANADA✔ permitted
Regulatory Agencies
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR