Isomalt
AKA “C-isomaltidex, INS NO.953, E-953, DTXCID30819960, INS-953, BAY I 3930, BAY-I-3930, ISOMALT (II)”
Synthetic
Ingredient Facts
Isomalt
AKA: C-isomaltidex, INS NO.953, E-953, DTXCID30819960, INS-953, BAY I 3930, BAY-I-3930, ISOMALT (II)
Synthetic · Humectant · EWG: 4
Synthetic
Humectant
Skin Conditioner
Synthetic
Clean
A humectant derived from sugar that helps skin retain moisture, keeping it hydrated and smooth throughout the day.
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.
See origin →
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
Sugar alcohol developed in the 1980s as a sweetener alternative. Used in cosmetics as a humectant and texture modifier; has no traditional use history as it is a modern synthetic ingredient.
Skin Types
●all-skin-types
Best For
Dehydration
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
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Alpyn Beauty
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Alpyn Beauty
Black Tulip Eye Treatment
Bloom Effects
Black Tulip Facial Treatment
Bloom Effects
Mountain Glow Serum
Ursa Major
Golden Hour Body Serum
Ursa Major
Alpine Rich Cream
Ursa Major
Restorative Eye Cream
Indie Lee
Golden Hour Body Serum
Credo Beauty
Isomalt
European Commission
EU Cosmetic Ingredient Database (CosIng)
Isomalt
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Effects of Isomalt on enamel de- and remineralization, a combined in vitro pH-cycling model and in situ study.
Takatsuka T, Exterkate RA, ten Cate JM
Clinical oral investigations, 2008
Verified Feb 2026
Data: PubChem · CosIng · EWG · CIR