Film Former
PEG-444 PENTAERYTHRITYL TETRA(AMIDOGLUTAROYL SUCCINIMIDO ETHYL ETHER)
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
A very high-MW pentaerythritol-based PEG dendrimer-like polymer with reactive succinimide ester arms — designed to crosslink with proteins on skin. Useful for advanced delivery systems, but reactive chemistry warrants the yellow tier.
Function
Skin benefits
- Forms cohesive film on skin
- Can crosslink with skin proteins for substantivity
- Multi-arm scaffolding for actives
Known concerns
- Reactive succinimide ester arms
- Possible 1,4-dioxane residue from PEG portion
- Sparse dedicated safety dossier
References
EU CosIng database
European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.
Related film formers
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.