Ozonized Ethyl Stearate

TL;DR. This ingredient is used mainly as a skin-conditioning emollient with an oxidative activity profile from its peroxide-containing chemistry. It can support anhydrous balms, oils, and treatment-style products where a light ester feel is desired.

What does Ozonized Ethyl Stearate do in a cosmetic formula?

This ingredient is used mainly as a skin-conditioning emollient with an oxidative activity profile from its peroxide-containing chemistry. It can support anhydrous balms, oils, and treatment-style products where a light ester feel is desired.

Is Ozonized Ethyl Stearate clean?

From a clean-beauty perspective, it is more nuanced than a standard emollient because its intended activity comes from reactive oxygen species formed during processing. It is not a common restricted-list ingredient, but peroxide value, residual byproducts, odor, and skin-sting potential are relevant quality checks.

Is Ozonized Ethyl Stearate sustainable?

This material is typically based on fatty-acid ester feedstocks that may be plant-derived, then modified with ozone. It is expected to be more biodegradable than silicone or fluorinated emollients, though sourcing depends on the fatty-acid supply chain and the energy used for ozonation.

Is Ozonized Ethyl Stearate COSMOS-approved?

This ingredient is not a straightforward COSMOS-organic fit because it is a chemically modified ester with an oxidation-derived peroxide profile, and acceptance would depend on certification review of feedstock origin and processing. From a Green Chemistry lens, it has some favorable traits, such as fatty-acid-based sourcing and likely biodegradability, balanced by the need for controlled oxidative processing and stability management.

How does Ozonized Ethyl Stearate work chemically?

The molecule is a fatty ester system that has been modified by ozone treatment, creating oxygenated species such as peroxides and related oxidation products that drive its distinctive activity. Formulators usually handle it as an anhydrous, oxidation-sensitive material, pairing it with compatible oils and packaging that limits heat, light, and prolonged air exposure.

Last updated 2026-05-13