Sodium Polyacrylate Starch ●
TL;DR. This ingredient is primarily an absorbent and rheology modifier, used to bind large amounts of water and create a gel-like texture. It can also help stabilize emulsions and improve cushion in creams, masks, and color cosmetics.
What does Sodium Polyacrylate Starch do in a cosmetic formula?
This ingredient is primarily an absorbent and rheology modifier, used to bind large amounts of water and create a gel-like texture. It can also help stabilize emulsions and improve cushion in creams, masks, and color cosmetics.
Is Sodium Polyacrylate Starch clean?
From a clean-beauty perspective, this ingredient has friction because it is a synthetic polymer and may be flagged by standards that limit persistent or microplastic-like materials. Skin tolerance is generally good, but residual monomers and polymer restrictions are the main review points.
Is Sodium Polyacrylate Starch sustainable?
This material combines a plant-derived carbohydrate backbone with petrochemical-derived synthetic polymer segments. It is not considered readily biodegradable, and environmental persistence is the main sustainability concern.
Is Sodium Polyacrylate Starch COSMOS-approved?
It is generally not permitted under COSMOS natural or organic certification because it relies on synthetic acrylic polymer chemistry. Its Green Chemistry fit is limited by petrochemical feedstock, limited biodegradability, and end-of-life persistence, despite useful performance at low levels.
How does Sodium Polyacrylate Starch work chemically?
The molecule is a grafted, crosslinked superabsorbent polymer, with ionized carboxylate groups that hydrate and swell dramatically in water. Performance depends strongly on electrolyte load and pH, with salts reducing swelling and very acidic systems lowering thickening efficiency.
Last updated 2026-05-13