Inositol

Inositol 1
molecular structure · PubChem CID 892
AKA: An inositol, Myo-inositol, Scyllo-inositol, Muco-Inositol, Epi-Inositol, Allo-inositol, I-Inositol, 87-89-8
Synthetic
Humectant
Skin Conditioner
Hair Care
Clean
cis-1,2,3,5-trans-4,6-Cyclohexanehexol
Formula
C6H12O6
Mol. Weight
180.16
CAS #
87-89-8
Form
Liquid
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
Functions
Antistatic
Hair Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Humectant
A moisture magnet. Pulls water from the air and deeper skin layers up to the surface to keep skin plump and hydrated.
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
3 studies / 3 not irritating (CIR 907)
Not a Sensitizer
3 studies / 3 not sensitizing (CIR 907)
Not an Eye Irritant
1 study / 1 not irritating (CIR 907)
Concentration Guide
Leave-on0.001–4%
Rinse-off0.00025–1%
0%50%100%
CIR reported use · 2022 survey
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR