Octyldodeceth-16

TL;DR. This ingredient is a nonionic solubilizer and emulsifier, used to help oils, fragrance components, and lipophilic actives disperse evenly in water-based formulas. It can also add mild cleansing and wetting support in rinse-off products.

What does Octyldodeceth-16 do in a cosmetic formula?

This ingredient is a nonionic solubilizer and emulsifier, used to help oils, fragrance components, and lipophilic actives disperse evenly in water-based formulas. It can also add mild cleansing and wetting support in rinse-off products.

Is Octyldodeceth-16 clean?

From a clean-beauty perspective, it faces scrutiny because it is made through ethoxylation, a process associated with trace residuals such as 1,4-dioxane if purification is not well controlled. It is generally low in skin irritation at normal use levels, but many stricter standards flag this ingredient class for processing concerns.

Is Octyldodeceth-16 sustainable?

This material is typically made from a fatty alcohol plus petrochemical-derived ethoxylation chemistry, so its sourcing is only partly renewable at best. Related nonionic surfactants are generally biodegradable, but the petrochemical processing route and wastewater control matter for its environmental profile.

Is Octyldodeceth-16 COSMOS-approved?

It is not permitted under COSMOS-natural or COSMOS-organic because ethoxylated materials do not fit the standard’s allowed chemistry. From a Green Chemistry view, biodegradability is a positive, while petrochemical feedstock reliance and residual-control requirements weaken its alignment.

How does Octyldodeceth-16 work chemically?

The molecule is an ethoxylated branched fatty alcohol, with the number in its listing indicating an average chain of about 16 oxyethylene units. It is nonionic, broadly pH-stable across typical cosmetic ranges, and is commonly paired with oils or fragrance materials when a clear or finely dispersed aqueous system is needed.

Last updated 2026-05-13