Cleansing Agent

Potassium Olivoyl Hydrolyzed Wheat Protein

INCI: POTASSIUM OLIVOYL HYDROLYZED WHEAT PROTEIN

Reviewed by Rosie · Last updated 14 Aug 2026

A plant-derived cleansing agent derived from wheat protein and olive oil

Best For Skin Types

All, Sensitive, Dry

Addresses

Sensitivity, Barrier repair

Usage Frequency

Daily

What Is Potassium Olivoyl Hydrolyzed Wheat Protein?

Potassium Olivoyl Hydrolyzed Wheat Protein is a mild surfactant created by combining hydrolyzed wheat protein with oleic acid (from olive oil) and potassium. It belongs to a class of gentle cleansing agents often used in formulations designed to be less harsh than conventional detergents.

The ingredient functions as both a cleanser and a conditioning agent, making it suitable for formulations that aim to remove impurities without stripping the skin or hair of natural oils. It is commonly found in gentle cleansers and shampoos.

How It Works

This ingredient works as a surfactant, meaning it has both water-loving and oil-loving parts. This dual nature allows it to surround oils and dirt on the skin surface, suspending them so they can be rinsed away with water—a process called emulsification.

Unlike harsher surfactants, the plant-derived nature and protein component may provide some conditioning benefit, reducing the potential for over-stripping. The hydrolyzed wheat protein fraction can also help coat and protect the skin during cleansing.

Clinical Evidence & References

Direct clinical studies specifically on this ingredient in skincare are limited. However, the component materials—hydrolyzed wheat proteins and plant-derived fatty acids—have been studied individually and generally show mild, well-tolerated cleansing properties.

The ingredient is approved for cosmetic use in major jurisdictions and is used in formulations marketed as gentle alternatives to harsher surfactants. Evidence suggests it performs similarly to other mild plant-derived cleansers, though large-scale comparative studies in dermatology are sparse.

How to Use

This ingredient is typically used in cleansers and shampoos. Follow the product instructions—usually a small amount is sufficient. Work into a light lather, massage gently onto damp skin or scalp, and rinse thoroughly with water. It can generally be used daily as part of your cleansing routine.

Safety & Precautions

Generally well-tolerated and suitable for most skin types, including sensitive skin. Rare contact sensitisation has been reported, so discontinue use if irritation or redness develops.

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