Potassium Lanolate
AKA “Potassium lanolin, Potassium wool fat
Surfactant
Ingredient Facts
Potassium lanolate
AKA: Potassium lanolin, Potassium wool fat
Surfactant · Cleansing · EWG: 4
Synthetic
Cleanser
Barrier Lipid
Not Clean
Potassium salt of lanolin acid
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
Created by saponifying lanolin (sheep's wool grease), a substance used since ancient times for skin conditioning. The potassium salt form was developed in the modern era to improve lanolin's solubility and stability in cosmetic formulations.
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Allergen Warning
⚠️ Lanolin (Wool)
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: CosIng · EWG · CIR