Polyglyceryl-10 Caprylate

AKA: Emulsifier, Caprylic Acid Ester
Synthetic
Cleanser
Emulsifier
Clean
Ester of decaglycerol and caprylic acid
Effective at 3.5%
CAS #
51033-41-1
Form
Liquid
Functions
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Emulsifier
Mixes Oil & Water
Traditional Use
A plant-derived surfactant made from glycerin and caprylic acid. Used in cosmetics as a gentle emulsifier and cleanser, often preferred in natural skincare due to its lower toxicity profile.
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Concentration Guide
2.0%
5.0%
0%7%
Reported use
CIR reported use: 2-5
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
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: CosIng · EWG · CIR