Science
Mechanism of Action
This copolymer forms a continuous, water-resistant thin film upon application, which helps minimize transepidermal water loss and provides a smooth skin feel. It also contributes to long-wear properties and can facilitate delayed release in specialized delivery systems.
Research
Clinical Evidence
High confidence25%
Key findings
- 01 A 25.0% aqueous dilution was found non-irritating and non-sensitizing in a Human Repeated Insult Patch Test (HRIPT) with 47 subjects.
- 02 Clinical testing at 30.0% solids in a mixture also demonstrated practical non-irritating and non-sensitizing properties on human skin.
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Highly stable across a wide temperature range and resistant to shear forces. It is often supplied as an aqueous emulsion or dispersion.
Conflicts
- strong oxidizing agents
- anionic surfactants (can cause precipitation)
- highly acidic environments (below pH 4.0)
Safety
Safety Profile
The CIR Expert Panel confirmed its safety in cosmetics when formulated to be non-irritating. The 25.0% limit applies to leave-on dermal products, though it is used up to 98.6% in nail products.
Your Skin
Skin Compatibility
Our Assessment
Verdict
This ingredient is valuable for enhancing product longevity, water resistance, and texture across various skincare and cosmetic formulations due to its film-forming properties and proven low irritation risk.
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References
Sources