Heptyl Undecylenate

Heptyl Undecylenate 1
molecular structure · PubChem CID 109641
AKA: Heptyl undec-10-enoate, 68141-27-5, 10-Undecenoic acid, Heptyl ester, Heptyl 10-undecenoate, Heptyl 10-undecylenate, LEXFEEL NATURAL
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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
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Emollient
Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.
Locks In Moisture
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
4
CIR
Safe as used
Pregnancy
Yes
Concentration Guide
Leave-on0.01–26%
Rinse-off0.01–0.1%
0%50%100%
CIR reported use · 2012 survey
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR