Potassium Caprate
AKA “Potassium decanoate, 13040-18-1, Capric acid, potassium salt, UNII-286587JSCN, 286587JSCN, EINECS 235-910-9, DTXSID1042314, N-DECANOIC ACID, POTASSIUM SALT, RefChem:175437
Surfactant
Ingredient Facts
Potassium caprate
AKA: Potassium decanoate, 13040-18-1, Capric acid, Potassium salt, UNII-286587JSCN, 286587JSCN, EINECS 235-910-9, DTXSID1042314, N-DECANOIC ACID, POTASSIUM SALT, RefChem:175437
Surfactant · Cleansing · EWG: 4
Synthetic
Cleanser
Plant Oil
Not Clean
The CIR Expert Panel concluded that the following ingredients are safe in the present practices of use andconcentration described in the safety assessment when formulated to be non-irritating and non-sensitizing, which may be basedon a QRA...Potassium Caprate...
Formula
C10H19KO2
Mol. Weight
210.35
CAS #
13040-18-1
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.
Cleansing Surfactant
Removes Impurities
Traditional Use
A potassium salt of capric acid derived from coconut and palm oils. Coconut has been used traditionally in tropical regions for skincare; the potassium salt is a modern chemical derivative used as an emulsifier.
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
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR