Anhydrogalactose

AKA: 3, 6-ANHYDRO-L-GALACTOSE, 28251-55-0, 6-Anhydrogalactose, L-Galactose, Anhydrogalactose [INCI], (2S)-2-[(2R, 3R, 4S)-3, 4-dihydroxyoxolan-2-yl]-2-hydroxyacetaldehyde
Synthetic
Antioxidant
Humectant
Skin Conditioner
Not Clean
OriginSynthesized from galactose, a naturally occurring six-carbon sugar found in lactose and plant polysaccharides. Produced through chemical dehydration of galactose to remove water molecules and create the anhydrous form.
3,6-Anhydro-L-galactose,L-Galactose, 3,6-anhydro-
Formula
C6H10O5
Mol. Weight
162.14
CAS #
28251-55-0
Form
Powder
Skin Types
●all-skin-types
Best For
Dehydration
Pregnancy & Breastfeeding Safe
Yes
Functions
Antioxidant
Fights free radicals — the unstable molecules from UV, pollution, and stress that break down collagen and cause premature aging.
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-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR
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