Sodium Carboxymethyl Inulin
AKA “Sodium Carboxymethyl Inulin, CMC Inulin
Ingredient
Ingredient Facts
Sodium carboxymethyl inulin
AKA: CMC Inulin
Ingredient · Chelating · EWG: 1
Synthetic
Chelating Agent
Clean
Sodium Carboxymethyl Inulin is the sodium salt of the product obtained by the reaction of chloroacetic acid with Inulin
CAS #
430439-54-6
Form
Powder
See origin →
Functions
Chelating
Grabs onto metal ions in water that would destabilize the formula. Keeps your product from going bad or changing color.
Viscosity Controlling
Anti-Inflammatory
Antimicrobial
Fights Acne
Binds metal ions
Controls product thickness
Traditional Use
A modern carbohydrate-derived ingredient created by modifying inulin, a polysaccharide historically valued in traditional medicine from plants like chicory and Jerusalem artichoke. Developed to provide the prebiotic and skin-conditioning benefits of inulin in cosmetic formulations.
Skin Types
all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Concentration Guide
Dermal absorption: 2%. Source: CIR Safety Assessment (CIR Seq 680).
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Jun 2026
Data: CosIng · EWG · CIR