Science
Mechanism of Action
The precise mechanism of action for POLYESTER-31 on the skin is not explicitly detailed in available research. However, drawing from its chemical classification and the known functions of related polyesters, it is presumed to primarily act as a film-forming agent, creating a thin, uniform layer on the skin's surface. This film can enhance product durability and potentially contribute to UV protection.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Polyester-based materials are susceptible to degradation via hydrolysis, especially in highly alkaline solutions, which can compromise their structural integrity. For optimal dispersion or solution, water-dissipatable polyester resins are ideally formulated within a pH range of 2 to 6, with a more favorable window between 3 and 5.
Conflicts
- high pH alkaline solutions (due to hydrolysis)
Safety
Safety Profile
Specific safety assessments for POLYESTER-31 by organizations such as CIR, SCCS, or FDA were not identified. However, the Cosmetic Ingredient Review (CIR) has generally reviewed polyester polymers, typically concluding they are safe for cosmetic use. This safety profile is often attributed to their large molecular weights, which limit dermal absorption.
Your Skin
Skin Compatibility
Our Assessment
Verdict
While the broader category of polyester polymers is considered safe and offers formulation benefits like film-forming and SPF boosting, the specific efficacy, mechanism, and safety profile of POLYESTER-31 require further dedicated investigation for its precise application in advanced skincare.
Related
Similar Ingredients
Finding similar ingredients…
References
Sources