Sodium Polystyrene Sulfonate ●
TL;DR. This ingredient is mainly used as an anionic film-former, dispersant, and viscosity modifier. It helps suspend particles, improve deposition, and create a light polymeric film on skin or hair.
What does Sodium Polystyrene Sulfonate do in a cosmetic formula?
This ingredient is mainly used as an anionic film-former, dispersant, and viscosity modifier. It helps suspend particles, improve deposition, and create a light polymeric film on skin or hair.
Is Sodium Polystyrene Sulfonate clean?
From a clean-beauty perspective, this ingredient has significant friction because it is a synthetic petrochemical polymer with limited biodegradability. It is generally low in direct irritation potential, but persistent synthetic polymers are commonly flagged by stricter clean-standard frameworks.
Is Sodium Polystyrene Sulfonate sustainable?
This material is made from fossil-derived feedstocks and is not readily biodegradable. Its water solubility reduces bioaccumulation concerns, but environmental persistence remains the main sustainability issue.
Is Sodium Polystyrene Sulfonate COSMOS-approved?
It is not permitted under COSMOS-natural or COSMOS-organic standards because it is a synthetic polymer outside the allowed natural-origin and nature-identical categories. It has weak Green Chemistry alignment due to fossil sourcing and poor biodegradability, despite good formulation efficiency at low use levels.
How does Sodium Polystyrene Sulfonate work chemically?
The molecule is a high-molecular-weight, water-soluble anionic polymer with an aromatic carbon backbone and it salt groups, which gives strong electrolyte character and particle-binding ability. It is generally stable across typical cosmetic pH and heat conditions, but performance can change in high-electrolyte systems or with cationic conditioning agents due to complexation or precipitation.
Last updated 2026-05-13