Thickener / rheology modifier
SODIUM POLYACRYLATE CROSSPOLYMER-1
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
A high-molecular-weight crosslinked polyacrylate used to thicken and stabilise water-based cosmetics. Skin-safe and widely used, with residual monomer purity as the main quality consideration.
Function
Skin benefits
- Powerful thickener and stabiliser at low use levels
- Forms light, non-tacky gels and creams
- Holds suspended particles and pigments well
- Wide pH and electrolyte tolerance compared to simple carbomers
Known concerns
- Residual acrylic acid monomer is a manufacturing quality concern
- Large polymer is not absorbed but may leave a temporary film
- Environmental persistence of polyacrylates is debated
References
EU CosIng database
European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.
Same plant / compound family
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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve, so always read the physical product label and consult a healthcare professional for personal concerns.