murphyCyclotetraglucose
AKA: Cycloalternan, Cyclic nigerosylnigerose, GlyTouCan:G67006KT, Cyclotetraglucose [INCI]
Synthetic
Humectant
Skin Conditioner
Not Clean
OriginDerived from glucose and plant-based sugars through enzymatic or chemical processes that create cyclic structures. Synthesized by cyclization of glucose units, forming a stable ring compound used in cosmetic formulations.
D-Glucose, cyclic tetramer
Formula
C24H40O20
Mol. Weight
648.6
CAS #
159640-28-5
Form
Powder
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
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
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR