Potassium Cocoyl Rice Amino Acids
INCI: POTASSIUM COCOYL RICE AMINO ACIDS
Reviewed by Daisy · Last updated 14 Aug 2026
Also known as: Potassium Cocoyl Rice Amino Acids
A coconut and rice-derived cleanser that conditions while it removes oil and impurities
Best For Skin Types
All, Sensitive, Dry, Combination
Addresses
Usage Frequency
Daily
What Is Potassium Cocoyl Rice Amino Acids?
Potassium cocoyl rice amino acids is a mild surfactant derived from coconut oil and rice proteins. It is created through the reaction of coconut fatty acids with amino acids extracted from rice, then neutralised with potassium to form a stable ingredient suitable for skincare formulations.
This ingredient functions as a gentle cleanser while also conditioning the skin. It is commonly used in cleansers, shampoos and body washes because it can remove dirt and oil without stripping the skin barrier in the way harsher surfactants might.
How It Works
As a surfactant, potassium cocoyl rice amino acids has both water-loving and oil-loving properties. This allows it to surround oil and dirt particles, lifting them away from the skin so they can be rinsed off. Unlike harsher cleansers, the rice amino acids component provides some conditioning benefit, which helps minimise the drying effect typical of conventional soaps.
When used in cleansing products, it also stabilises emulsions (allowing water and oils to mix) and enhances foam formation, which many people find improves the sensory experience of cleansing.
Clinical Evidence & References
Direct clinical data on potassium cocoyl rice amino acids as a standalone ingredient is limited. However, it belongs to a well-established family of amino acid-derived surfactants, which research suggests are milder and less irritating than traditional soap-based cleansers.
The ingredient is widely used in commercial skincare and haircare products, suggesting acceptable safety and efficacy profiles, though rigorous comparative studies against other mild surfactants are sparse. Those with particularly sensitive or compromised skin barriers may benefit from this gentler option, but individual tolerance varies.
How to Use
Use as directed on the product label. In cleansing products, apply to damp skin, massage gently, and rinse thoroughly with water. Because it is a relatively mild cleanser, it works well for twice-daily cleansing routines and can be used by most skin types without concern for excessive stripping. If the product feels too mild for your needs, follow with a toner or essence to adjust hydration levels.
Safety & Precautions
Frequently Asked Questions
From the Clinic
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Polysorbate 21
A nonionic emulsifier that stabilises oil and water-based formulations
Polysorbate 60
Widely used emulsifier made from sorbitol and stearic acid | Provides mild cleansing properties
Polysorbate 80
Surfactant composed of fatty acids (primarily oleic acid) | Often included in skin care formulations as an emulsifying or solubilizing agent
Potassium Laurate
A natural surfactant and emulsifier derived from lauric acid with purifying properties
Potassium Laureth Phosphate
A mild surfactant that helps oils and water blend together in formulations
Potassium Ricinoleate
A plant-derived cleanser and emulsifier derived from castor seed oil
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