PEG-55 PROPYLENE ●
TL;DR. This ingredient is typically used as a nonionic surfactant, emulsifier, and solubilizer, helping oily materials disperse into water-based formulas. It is most common in cleansers, shampoos, and bath products where mild foam and rinse-off feel matter.
What does PEG-55 PROPYLENE do in a cosmetic formula?
This ingredient is typically used as a nonionic surfactant, emulsifier, and solubilizer, helping oily materials disperse into water-based formulas. It is most common in cleansers, shampoos, and bath products where mild foam and rinse-off feel matter.
Is PEG-55 PROPYLENE clean?
From a clean-beauty perspective, it has friction because it is made through ethoxylation, a process associated with trace residuals that brands usually manage through purification and supplier testing. It is not usually a major skin-sensitizer concern, but it often appears on restricted or closely screened lists because of its manufacturing route.
Is PEG-55 PROPYLENE sustainable?
This material is generally partly petrochemical-derived and may also include fatty-acid inputs that can be plant-sourced depending on the supplier. Its environmental profile is better than highly persistent polymers, but the synthetic processing and non-renewable fraction weaken its sustainability standing.
Is PEG-55 PROPYLENE COSMOS-approved?
It is generally not aligned with COSMOS-natural or COSMOS-organic standards because ethoxylated materials are not permitted in those frameworks. From a Green Chemistry view, the concern is less its use in a finished formula and more the non-renewable feedstock and processing chemistry behind it.
How does PEG-55 PROPYLENE work chemically?
This molecule is a nonionic, ethoxylated amphiphile with a hydrophilic polyether segment and a lipophilic fatty component, which is why it can bridge oils, fragrance components, and water. It is commonly used at low single-digit percentages in rinse-off systems and is generally stable across typical cosmetic pH ranges, with supplier specifications used to control residual processing impurities.
Last updated 2026-05-13