Cyclodextrin
AKA: Beta-CYCLODEXTRIN, Betadex, Cycloheptaamylose, Cyclomaltoheptaose, Cycloheptaglucan
Synthetic
Chelating Agent
Clean
Cycloheptapentylose
Formula
C36H60O30
Mol. Weight
972.8
CAS #
7585-39-9, 12619-70-4
Form
Powder
Functions
Absorbent
Chelating
Grabs onto metal ions in water that would destabilize the formula. Keeps your product from going bad or changing color.
Absorbs Excess Oil
Removes Metal Ions
Fights Bacteria
Reduces Inflammation
Binds metal ions
Traditional Use
Discovered in 1891 by French chemist Antoine Villiers as a byproduct of starch fermentation. Developed in the mid-20th century as an encapsulation agent in cosmetics to stabilize and deliver active ingredients more effectively than natural carriers.
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 Agencies
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
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.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR