Science
Mechanism of Action
This cationic polymer functions by forming a strong electrostatic bond with the negatively charged keratin on the skin's surface. It creates a thin, highly resistant, and flexible film, serving as a conditioning agent and establishing a protective barrier to minimize trans-epidermal water loss.
Research
Clinical Evidence
Medium confidenceN/A
Key findings
- 01 Observed to provide conditioning and aesthetic improvements in rinse-off conditioners and serums within a 0.5% to 3% concentration range.
Transparency
Dusting Analysis
The Formula
Formulation
Conflicts
- High concentrations of anionic surfactants (e.g., Sodium Lauryl Sulfate) may lead to precipitation or loss of functional efficacy.
Safety
Safety Profile
The CIR Expert Panel deems Polyquaternium-53 safe for use in current practices and concentrations, provided it is formulated to be non-irritating. Its use is also subject to restrictions under Annex III of the EC Cosmetics Regulation, potentially related to purity, maximum concentration, or specific product categories.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Polyquaternium-53 is a valuable film-forming and conditioning agent, effective in creating a protective barrier and enhancing skin and hair texture while exhibiting low irritancy.
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References
Sources