Polyglyceryl-4 Caprylate/Caprate
AKA “Caprylic/Capric Acid Polyglyceryl Ester, Mixed Chain Emulsifier
Synthetic
Ingredient Facts
Polyglyceryl-4 caprylate/caprate
AKA: Caprylic/Capric Acid Polyglyceryl Ester, Mixed Chain Emulsifier
Synthetic · Cleansing · EWG: 4
Synthetic
Cleanser
Plant Oil
Synthetic
Clean
Polyglyceryl-4 Caprylate/Caprate is the monoester of Polyglycerin-4 and a mixture of caprylic and capric acids. Science: Functions: Surfactant - Cleansing, Surfactant - Hydrotrope Safety Ratings: CIR: Safe as used
Form
Liquid
See origin →
Functions
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Hydrotrope
Cleansing Surfactant
Surfactant Hydrotrope
Anti-Aging Benefits
Lifts away dirt and oil
Improves ingredient solubility
Traditional Use
A mixed-chain polyglyceryl emulsifier developed for balanced cleansing and conditioning properties. Designed to replace harsher surfactants in facial cleansers and micellar waters.
Skin Types
all-skin-types
Best For
General
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe w/Qualifications
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Feb 2026
Data: CosIng · EWG · CIR