Sorbitan Palmate

AKA: Span 40, Palm Oil Sorbitan Ester
Synthetic
Emollient
Emulsifier
Skin Conditioner
Not Clean
OriginDerived from sorbitol (a sugar alcohol) and palm acid, a saturated fatty acid from palm oil. Produced through esterification, where sorbitol anhydride is chemically bonded with palmitic acid under controlled conditions.
Sorbitan Palmate is the monoester of Palm Acid and hexitol anhydrides derived from sorbitol
CAS #
-
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Emulsion Stabilising
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
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-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
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-on0.45–0.75%
Rinse-offNot reported
0%50%100%
CIR reported use · 2014 survey
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: CosIng · EWG · CIR