Science
Mechanism of Action
As a cationic polymer, POLYQUATERNIUM-105 possesses a positive charge, enabling it to electrostatically bind with the inherently negatively charged surfaces of the skin. This interaction facilitates the formation of a thin, resilient film that resists rinse-off. On the skin, this film functions dually as a humectant, actively attracting and retaining environmental moisture to enhance hydration and promote suppleness, and as a protective barrier, minimizing water evaporation and shielding against external irritants. This results in an improvement in overall skin conditioning, softness, and smoothness.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
No specific optimal pH range for POLYQUATERNIUM-105 stability has been definitively identified. However, analogous polyquaternium compounds typically exhibit stability across a broad pH spectrum, with examples such as Polyquaternium-10 stable between pH 4-8 and Polyquaternium-1 stable between pH 3-7.
Conflicts
- Due to its cationic nature, POLYQUATERNIUM-105 may complex with anionic surfactants. Careful formulation is required to prevent potential product instability or undesirable film characteristics when these components are combined.
Safety
Safety Profile
A specific safety assessment by the Cosmetic Ingredient Review (CIR) for POLYQUATERNIUM-105 has not been identified in the available research data.
Your Skin
Skin Compatibility
Our Assessment
Verdict
While POLYQUATERNIUM-105 demonstrates a clear mechanism for skin hydration and protection through film formation, the absence of specific clinical efficacy studies, CIR safety review, and skin compatibility data necessitates a classification of insufficient data for precise formulation guidance.
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References
Sources