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Heptyl Undecylenate
AKA “Heptyl undec-10-enoate, 68141-27-5, 10-Undecenoic acid, heptyl ester, Heptyl 10-undecenoate, Heptyl 10-undecylenate, W77QUB6GXO, LEXFEEL NATURAL, EINECS 268-850-7, DTXSID9071189”
Emollient
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Ingredient Facts
Heptyl undecylenate
AKA: Heptyl undec-10-enoate, 68141-27-5, 10-Undecenoic acid, Heptyl ester, Heptyl 10-undecenoate, Heptyl 10-undecylenate, W77QUB6GXO, LEXFEEL NATURAL, EINECS 268-850-7, DTXSID9071189
Emollient · Emollient · EWG: 4
Synthetic
Emollient
Skin Conditioner
Not Clean
The CIR Expert Panel concluded that the alkyl esters, listed subsequently, are safe in the present practices of use and concentration described in this safety assessment when formulated to be non-irritating.
Formula
C18H34O2
Mol. Weight
282.50
CAS #
68141-27-5
Form
Oil
See origin →
Functions
Emollient
Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.
Locks In Moisture
Traditional Use
Developed in the 20th century as a synthetic ester with antimicrobial properties. It was created to replace or complement natural antimicrobial ingredients in preservation systems for cosmetics and personal care products.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
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Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR