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Moumoujus

POLYQUATERNIUM-9.

Insufficient Data CAS - / ANTISTATIC, FILM FORMING

POLYQUATERNIUM-9 is a synthetic cationic polymer primarily valued in personal care for its film-forming and antistatic capabilities. It creates a lightweight, continuous film on skin, hair, or nails and helps neutralize static electricity. Functionally, its positive charge allows it to bind to negatively charged surfaces, also enabling roles as an emulsifier and thickener in formulations.

Summary

Antistatic Film forming Emulsifying Dispersing Thickening Moisturizing

Science

Mechanism of Action

As a cationic polymer, POLYQUATERNIUM-9 carries a positive charge, facilitating its ionic bonding with the naturally negatively charged surfaces of skin and hair. This interaction enables its primary functions: creating a continuous, protective film that can reduce transepidermal water loss and offer environmental protection, and acting as an antistatic agent to minimize static electricity. Furthermore, its polymeric structure supports its roles as an emulsifying, dispersing, and thickening agent within cosmetic formulations, potentially enhancing product stability and texture, and may contribute to moisturization by attracting moisture.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Water
Optimal pH N/A
0 7 14

Stability

POLYQUATERNIUM-9 is reported to be stable under typical formulation conditions.

Safety

Safety Profile

CIR Status
Insufficient data
Sensitization risk Unknown

No specific review by the CIR Expert Panel, SCCS, or FDA status for POLYQUATERNIUM-9 has been identified. While general polyquaterniums are often considered safe, the liquid form of POLYQUATERNIUM-9 is noted to cause irritation to skin and eyes. Therefore, careful handling and formulation are advised.

Your Skin

Skin Compatibility

No Normal
No Dry
No Oily
No Sensitive
Irritancy Unknown
Comedogenicity Unknown

Our Assessment

Verdict

Insufficient Data

Due to a lack of specific clinical efficacy studies, comprehensive safety data from regulatory bodies, and unknown irritancy or comedogenicity, a definitive verdict on POLYQUATERNIUM-9's overall value for precision skincare is currently limited.

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