Arabinose
molecular structure · PubChem
AKA: D-arabinose, 10323-20-3, GlyTouCan:G16391NR, CHEBI:17108, 233-708-5
Synthetic
Humectant
Skin Conditioner
Not Clean
Anhydroarabinose,D-Arabinose,(2S,3R,4R)-2,3,4,5-tetrahydroxypentanal
Formula
C5H10O5
Mol. Weight
150.13
CAS #
10323-20-3
Form
Powder
State
White powder; [Sigma-Aldrich MSDS]
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
Traditional Use
A naturally occurring five-carbon sugar identified in the late 19th century; used in modern cosmetics as a humectant and skin conditioning ingredient with antioxidant properties.
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
medical-approval
all-shades-safe
Phototoxicity Concern
Concentration Guide
Dermal absorption: 100%. Source: CIR Safety Assessment (CIR Seq 815).
Regulatory Agencies
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory0 listings
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR