Cleansing Agent

Potassium Cocoyl Hydrolyzed Oat Protein

INCI: POTASSIUM COCOYL HYDROLYZED OAT PROTEIN

Reviewed by Rosie · Last updated 14 Aug 2026

Also known as: Potassium Cocoyl Hydrolyzed Oat Protein

A mild plant-derived cleanser and conditioner from coconut and oat proteins

Best For Skin Types

All, Sensitive, Dry

Addresses

Dryness, Sensitivity, Barrier repair

Usage Frequency

Daily

What Is Potassium Cocoyl Hydrolyzed Oat Protein?

Potassium cocoyl hydrolyzed oat protein is a surfactant derived from coconut oil and oat protein. It is created by breaking down oat proteins and combining them with coconut-derived fatty acids to form a mild cleansing agent. This ingredient bridges cleansing and conditioning, making it useful in both hair and skincare formulations.

As a surfactant, it helps remove dirt and oil from the skin's surface, whilst the oat protein component provides conditioning properties that help soften and protect the skin barrier.

How It Works

As a mild surfactant, this ingredient works by surrounding oil and dirt particles on the skin's surface, allowing them to be rinsed away with water. Unlike harsher cleansing agents, it does this whilst leaving some of the skin's natural lipids intact.

The oat protein portion adds a conditioning layer, coating the skin lightly to reduce water loss and leave it feeling softer. This dual action—cleansing without excessive drying—makes it particularly useful in formulations aimed at sensitive or compromised skin.

Clinical Evidence & References

Published clinical data specifically on this ingredient in skincare is limited. However, oat-derived ingredients have a long history of use in skincare and are well-regarded for their soothing and conditioning properties. Coconut-derived surfactants are generally recognised as milder alternatives to conventional cleansers.

The combination is likely to be well-tolerated by most skin types, though individual response will depend on the overall formulation and personal sensitivities. Further targeted research would help establish more precise efficacy claims.

How to Use

This ingredient is typically found in cleansers and conditioning treatments. Use as directed by the product instructions—usually daily for cleansing products. If using in a cleanser, apply a small amount to damp skin, gently massage, and rinse thoroughly. As with any new skincare product, introduce it gradually if you have particularly reactive skin.

Safety & Precautions

Generally well-tolerated and suitable for most skin types, including sensitive skin. As with any ingredient, discontinue use if you experience irritation or allergic reaction.

Frequently Asked Questions

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