Cleansing Agent

Ceteth-10 Phosphate

INCI: CETETH-10 PHOSPHATE

Reviewed by Kate · Last updated 14 Aug 2026

A gentle surfactant that removes oil and impurities whilst maintaining skin balance

Best For Skin Types

All, Sensitive, Dry

Addresses

Sensitivity, Barrier repair

Usage Frequency

Daily

What Is Ceteth-10 Phosphate?

Ceteth-10 Phosphate is a mild surfactant derived from cetyl alcohol, a naturally occurring fatty alcohol. It functions as a cleansing agent in skincare formulations, helping to lift oils, makeup and impurities from the skin's surface without stripping essential moisture.

This ingredient belongs to a class of non-ionic surfactants, which are generally considered gentler than their anionic counterparts. Its chemical structure allows it to bridge water and oil, making it effective at emulsifying debris whilst maintaining the skin's natural lipid balance.

How It Works

Ceteth-10 Phosphate works by reducing the surface tension between water and oil on the skin. Its molecular structure has both water-loving and oil-loving components, allowing it to surround oil droplets and trap them so they can be rinsed away with water or wiped off.

Unlike more aggressive surfactants, its mild nature means it tends to cleanse whilst leaving behind some of the skin's natural protective lipids, which helps to maintain barrier function and prevent that tight, uncomfortable feeling associated with over-stripping cleansers.

Clinical Evidence & References

Direct clinical studies specifically on Ceteth-10 Phosphate are limited in published literature. However, non-ionic surfactants of this type are well-established in skincare and cosmetic science as mild cleansing agents with a favourable safety and tolerability profile.

The ingredient is widely used in dermatological and pharmaceutical formulations, suggesting industry confidence in its gentleness. Its presence in roughly 0.1% of skincare products indicates it remains a niche choice, typically selected when a very mild cleansing action is desired.

How to Use

Ceteth-10 Phosphate is typically found in cleansing products, including gentle face washes and micellar solutions. Use as directed on the product label — usually morning and evening or as tolerated. If using in a rinse-off cleanser, follow with your regular skincare routine. No special application technique is required.

Safety & Precautions

Ceteth-10 Phosphate is generally well-tolerated and considered safe for topical use in cosmetics. It is non-ionic and unlikely to cause irritation in most individuals, though those with very compromised barriers or multiple sensitivities should patch test first.

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