anhydroxylitol

AKA: 4-Anhydro-D-xylitol, (2R, 4S)-2-(Hydroxymethyl)tetrahydrofuran-3, 4-Anhydroxylitol, D-Xylitol
Synthetic
Humectant
Skin Conditioner
Clean
OriginAnhydroxylitol is a polyol compound synthesized from xylitol or derived from hydrogenation of xylose. It is produced through dehydration or catalytic reduction of sugar alcohols to remove water molecules.
D-Xylitol, 1,4-Anhydro-
Formula
C5H10O4
Mol. Weight
134.13
CAS #
53448-53-6
Form
Liquid
Skin Types
●all-skin-types, gentle
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
Functions
Humectant
A moisture magnet. Pulls water from the air and deeper skin layers up to the surface to keep skin plump and hydrated.
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Locks In Moisture
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Skin Irritant
1 study / 1 not irritating (CIR 815)
Not a Sensitizer
1 study / 1 not sensitizing (CIR 815)
Eye Irritant in Testing
1 study / 1 irritating / reactions slight (CIR 815)
Concentration Guide
Leave-on0.28–0.88%
Rinse-off0.0028%
0%50%100%
CIR reported use · 2018 survey
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR