Emulsifier

Potassium Myristate

Reviewed by Rosie · Last updated 18 Aug 2026

What Is Potassium Myristate?

Detergent cleansing agent that’s a constituent of soap; it can be drying and aggravate skin for some people.

How widely it's used

0.1%
of skincare products contain this ingredient — placing it in the top 25% of most-used ingredients.
Most common in: Cleansers Masks

Regulatory information

Standardised cosmetic-ingredient identifiers used by regulators.

Show identifiers
INCI Name
POTASSIUM MYRISTATE
EC Number
236-550-5
Function
Emulsifying, Surfactant

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