Trehalose

Trehalose 1
molecular structure · PubChem CID 7427
AKA: 99-20-7, D-(+)-Trehalose, Mycose, Alpha, Alpha-trehalose, Ergot sugar, Alpha-D-Trehalose, Cabaletta, Mushroom sugar, Natural trehalose
Synthetic
Humectant
Skin Conditioner
Synthetic
Clean
OriginSynthesized from glucose through enzymatic or chemical processes that create the disaccharide structure. Produced via fermentation using microorganisms or through direct chemical synthesis of glucose molecules.
Trehalose has been reported in Microchloropsis, Myrothamnus flabellifolia, and other organisms with data available.
Formula
C12H22O11
Mol. Weight
342.30
CAS #
99-20-7
Form
Powder
State
Dry Powder
Skin Types
●all-skin-types
Best For
General
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.
Draws water to skin
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-on0.00055–2%
Rinse-off0.0001–1%
0%50%100%
CIR reported use · report published 2019
Regulatory Status
USAunder review
CANADA✔ permitted
Regulatory Agencies
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR