Octyldecyl Oleate
AKA “Octyl decyl oleate, Octyldecyl 9-octadecenoate, UNKNOWN
Surfactant
Ingredient Facts
Octyldecyl oleate
AKA: Octyl decyl oleate, Octyldecyl 9-octadecenoate, UNKNOWN
Surfactant · Emulsifying · EWG: 1
Synthetic
Cleanser
Emulsifier
Clean
9-Octadecenoic acid, 2-octyldecyl ester
Effective at 44.05%
Form
Oil
See origin →
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 synthetic emollient ester created from octyldecyl alcohol and oleic acid. Used in cosmetics as a conditioning and softening agent for both skin and hair care products.
Skin Types
all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Concentration Guide
0.1%
88.0%
0%100%
Effective Range
CIR reported use: 0.5-62 | 0.5-20 | 0.1-88
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Jun 2026
Data: CosIng · EWG · CIR