Science
Mechanism of Action
Polyamide-8 operates as a synthetic polymer, functioning primarily as an emollient, film-former, and binding agent. Its structure allows it to form a protective layer on the skin's surface, offering conditioning and protection from external factors without penetrating the epidermis due to its high molecular weight. In formulations, it acts as an organogellant and viscosity controller, particularly effective in the oil phase, stabilizing and structuring the product.
Research
Clinical Evidence
Medium confidence1%
Transparency
Dusting Analysis
There is no available data suggesting Polyamide-8 commonly exhibits 'dusting' behavior in cosmetic formulations.
The Formula
Formulation
Stability
Polyamide-8 exhibits good compatibility with a diverse range of low to medium polarity oils. For effective integration into formulations, it typically requires direct heat for melting rather than a water bath, ensuring proper dispersion and structural contribution.
Conflicts
- Ethanol (Certain types of hydrophobic polyamides may show incompatibility with ethanol, potentially resulting in hazy mixtures or a sensation of skin tightening in some ethanol-based applications.)
Safety
Safety Profile
Polyamide-8 is deemed safe for cosmetic applications. While it has not been individually assessed by CIR or SCCS under the specific name 'Polyamide-8', related components, such as Dimer Dilinoleates, have undergone safety evaluations. Its high molecular weight prevents dermal penetration, mitigating systemic exposure concerns.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Polyamide-8 is a valuable ingredient for enhancing cosmetic product performance, improving wear time and texture while offering skin conditioning benefits without penetration.
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