Cyclotetraglucose
AKA “Cycloalternan, Cyclic nigerosylnigerose, CT-11, GlyTouCan:G67006KT, Cyclotetraglucose [INCI]”
Humectant
Ingredient Facts
Cyclotetraglucose
AKA: Cycloalternan, Cyclic nigerosylnigerose, CT-11, GlyTouCan:G67006KT, Cyclotetraglucose [INCI]
Humectant · Humectant · EWG: 4
Synthetic
Humectant
Skin Conditioner
Not Clean
D-Glucose, cyclic tetramer
Formula
C24H40O20
Mol. Weight
648.6
CAS #
159640-28-5
Form
Powder
See origin →
Functions
Binding
Bulking
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.
Viscosity Controlling
Locks In Moisture
Traditional Use
A modern synthetic cyclic carbohydrate developed through advanced carbohydrate chemistry. Created for contemporary skincare formulations as a humectant and stabilizing agent with no traditional botanical equivalent.
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
EWG
4
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 Agencies
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR