Isomalt

AKA: C-isomaltidex, INS NO.953, E-953, BAY I 3930, BAY-I-3930, ISOMALT (II)
Black Tulip Eye Treatment
Bloom Effects
Black Tulip Facial Treatment
Bloom Effects
Golden Hour Body Serum
Ursa Major
Mountain Glow Serum
Ursa Major
Double Polishing Peel
Alpyn Beauty
The Radiance Ritual
Alpyn Beauty
Restorative Eye Cream
Indie Lee
Golden Hour Body Serum
Ursa Major
Alpine Rich Cream
Ursa Major
Synthetic
Humectant
Clean
OriginDerived from sucrose (table sugar) through hydrogenation and rearrangement of glucose and fructose molecules. Produced by catalytic hydrogenation of isomaltulose, creating a disaccharide polyol with reduced caloric content.
A complex mixture of polysaccharides obtained by enzyme treatment of sucrose. It consists mainly of 6-0-.alpha.-D-glucopyranosyl-D-glucitol and 1-0-.alpha.-D-glucopyranosyl-D-mannitol
Solubility Soluble in water, very slightly soluble in ethanol.
Formula
C12H24O11
Mol. Weight
344.31
CAS #
64519-82-0
Form
Liquid
State
Odourless, white, slightly hygroscopic, crystalline mass.
Skin Types
●all-skin-types
Best For
Dehydration
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.
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 657)
Not a Sensitizer
1 study / 1 not sensitizing (CIR 657)
Mixed Eye Irritation Results
2 studies / 1 mixed / 1 not irritating / reactions slight (CIR 657)
Concentration Guide
Leave-on0.19%
Rinse-off7.77%
0%50%100%
CIR reported use · report published 2019
Regulatory Agencies
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR
murphy