Lauryl Peg-9 Polydimethylsiloxyethyl Dimethicone ●

TL;DR. This ingredient is primarily a nonionic emulsifier and dispersing agent, especially useful for water-in-oil or water-in-silicone systems. It helps stabilize mixed oil, water, pigment, and powder phases while also adding slip and conditioning feel.

What does Lauryl Peg-9 Polydimethylsiloxyethyl Dimethicone do in a cosmetic formula?

This ingredient is primarily a nonionic emulsifier and dispersing agent, especially useful for water-in-oil or water-in-silicone systems. It helps stabilize mixed oil, water, pigment, and powder phases while also adding slip and conditioning feel.

Is Lauryl Peg-9 Polydimethylsiloxyethyl Dimethicone clean?

From a clean beauty perspective, it has friction because it is synthetic, ethoxylated, and part of a chemistry class many stricter standards restrict. Skin irritation potential is generally low, but residual ethoxylation impurities and brand-level silicone policies are the main screening issues.

Is Lauryl Peg-9 Polydimethylsiloxyethyl Dimethicone sustainable?

This material is petrochemical-derived and not considered readily biodegradable. Its persistence profile is the main environmental concern, especially compared with plant-derived emulsifiers that break down more predictably.

Is Lauryl Peg-9 Polydimethylsiloxyethyl Dimethicone COSMOS-approved?

It is not permitted under COSMOS-organic or COSMOS-natural standards. It has weak Green Chemistry alignment because it relies on synthetic organosiloxane and ethoxylated chemistry, with limited biodegradability and no renewable-feedstock advantage.

How does Lauryl Peg-9 Polydimethylsiloxyethyl Dimethicone work chemically?

The molecule is an amphiphilic modified organosiloxane polymer with a hydrophobic siloxane backbone plus polyether and C12 alkyl side groups, giving it interfacial activity in oil-rich systems. It is typically used at low single-digit percentages, often around 0.5 to 5%, and is valued for stabilizing emulsions and dispersing mineral pigments across a broad pH range.

Last updated 2026-05-13