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Moumoujus

POLYVINYL ALCOHOL.

Valuable CAS 9002-89-5 / 25213-24-5 / FILM FORMING, VISCOSITY CONTROLLING

Polyvinyl Alcohol (PVA) is a versatile synthetic polymer engineered to create an invisible, breathable film on the skin's surface. This acts as a protective barrier, enhancing hydration and smoothing skin texture, while also safeguarding against environmental aggressors.

Summary

film forming viscosity controlling thickening agent emulsifier binder adhesion promoter exfoliant (in peel-off masks) active ingredient delivery system

Science

Mechanism of Action

Polyvinyl Alcohol (PVA) operates primarily by forming a flexible, transparent film on the skin. This barrier effectively seals in moisture, promoting hydration, softness, and a smoother complexion. Beyond its film-forming capacity, PVA offers protection from external factors such as pollution and potentially harmful UV radiation. It also functions as a sophisticated rheology modifier, thickening formulations, stabilizing emulsions, and binding ingredients. In specific applications like peel-off masks, its adhesive properties facilitate gentle exfoliation of dead skin cells upon removal. Furthermore, PVA can serve as an advanced microencapsulation system for controlled and sustained release of active ingredients.

Research

Clinical Evidence

High confidence
Effective range 5–15%
Optimal

N/A

Key findings

  1. 01 Clinical assessments at 5.00% concentration demonstrated no allergic contact sensitization or significant dermal irritation in 104 panelists.
  2. 02 Human Repeated Insult Patch Tests and in-use studies of a facial mask utilizing 13% PVA reported no significant adverse findings.

Transparency

Dusting Analysis

Not commonly dusted

Polyvinyl Alcohol is a functional polymer, typically incorporated at concentrations necessary to achieve its intended film-forming, thickening, or binding properties, rather than being 'dusted' for marketing claims at sub-efficacious levels.

The Formula

Formulation

Solubility
Water
Optimal pH 5 – 6.5
0 7 14

Stability

This ingredient exhibits excellent water solubility and stability, integrating seamlessly with diverse cosmetic components. It contributes to improved product texture and overall stability without compromising other active ingredients.

Synergies

  • Combines well with other active ingredients to enhance overall product stability and texture.

Safety

Safety Profile

CIR Status
Safe as used
Max tested
15%
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel has determined Polyvinyl Alcohol to be safe for use in cosmetic formulations. Its safety profile is robust, with studies confirming a low potential for irritation and sensitization even at concentrations up to 13-15%. The FDA also recognizes it as safe for specific food applications.

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Low
Comedogenicity Low

Our Assessment

Verdict

Valuable

Polyvinyl Alcohol is a valuable, safe, and versatile film-forming polymer that enhances skin hydration and texture while improving product stability across various sophisticated cosmetic applications.

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