Science
Mechanism of Action
As a light stabilizer, Polyester-25 is believed to help shield sensitive cosmetic ingredients from degradation induced by light exposure, likely through absorption or scattering mechanisms. Its purported skin protecting function may contribute to overall skin integrity or barrier support.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
While a precise optimal pH range for Polyester-25's stability in cosmetic formulations has not been determined, general polyester materials are susceptible to degradation under highly acidic (pH=1) or highly alkaline (pH=12) conditions.
Safety
Safety Profile
POLYESTER-25 has not been assessed by the Cosmetic Ingredient Review (CIR) Expert Panel or the EU Scientific Committee on Consumer Safety (SCCS). EWG Skin Deep indicates low concerns regarding cancer, allergies & immunotoxicity, and developmental & reproductive toxicity; however, it explicitly states 'None' for data availability, suggesting a lack of robust supporting data. The Good Scents Company reports no GHS classification, hazard statements, or determined toxicity data across oral, dermal, or inhalation routes.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Polyester-25 shows potential as a protective and stabilizing ingredient for formulations, but a significant absence of comprehensive clinical, safety, and formulation data necessitates further research before definitive conclusions can be drawn regarding its widespread use and efficacy.
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References
Sources