Sodium Laneth-40 Maleate/Styrene Sulfonate Copolymer ●
TL;DR. This ingredient is primarily a synthetic film-former and hair-fixative polymer. It helps create hold, shape retention, and a smoother feel in styling products.
What does Sodium Laneth-40 Maleate/Styrene Sulfonate Copolymer do in a cosmetic formula?
This ingredient is primarily a synthetic film-former and hair-fixative polymer. It helps create hold, shape retention, and a smoother feel in styling products.
Is Sodium Laneth-40 Maleate/Styrene Sulfonate Copolymer clean?
From a clean-beauty perspective, this ingredient has friction because it is a synthetic polymer with ethoxylated and petrochemical-derived components. It is not a classic sensitizer, but residual monomers or processing impurities are the usual quality-control questions.
Is Sodium Laneth-40 Maleate/Styrene Sulfonate Copolymer sustainable?
This material is made from mixed feedstocks, including petroleum-derived chemistry and wool-wax-derived fatty components. It is water-dispersible, but high-molecular-weight synthetic polymers are not generally considered readily biodegradable.
Is Sodium Laneth-40 Maleate/Styrene Sulfonate Copolymer COSMOS-approved?
This ingredient is not aligned with COSMOS-natural or COSMOS-organic standards because it is a synthetic copolymer outside the permitted natural-derivation framework. Its Green Chemistry profile is limited by nonrenewable inputs, ethoxylation chemistry, and expected poor ready biodegradability.
How does Sodium Laneth-40 Maleate/Styrene Sulfonate Copolymer work chemically?
The molecule is an anionic copolymer with sulfonated aromatic groups, carboxylate-bearing segments, and polyether fatty side chains, giving it water compatibility plus film-forming behavior. It is typically used at low single-digit percentages in styling formulas and can interact with strongly cationic conditioning agents, which may affect clarity, viscosity, or film performance.
Last updated 2026-05-13