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VP/METHACRYLAMIDE/VINYL IMIDAZOLE COPOLYMER.

Valuable CAS 38139-93-4 / FILM FORMING, HAIR FIXING

This copolymer is a versatile film-forming agent widely used in hair care and certain cosmetic applications. It enhances clarity and provides durable styling benefits in formulations.

film forming hair fixing

Science

It functions as a film-forming and hair-fixing agent, creating a continuous, non-tacky film on surfaces. This film provides strong hold and maintains hair styles even in humid conditions.


Research

High confidence
Effective range 0.6–3%
Optimal

0.6%

Key findings

  1. 01 Enhances clarity in hair gel formulations at 0.6% (pure polymer).
  2. 02 Provides a very high setting effect in hair gel formulations at 3% (polymer content).

Transparency

Not commonly dusted

As a film-forming polymer, its primary function is to adhere and create a cohesive film, which mitigates concerns of dusting.


The Formula

Solubility
Water
Optimal pH 6 – 7.5
0 7 14

Stability

It exhibits hydrolytic stability with no degradation at pH 4, 7, and 9 at 50°C. The 10% aqueous solution typically maintains a pH of 6.0-7.5.

Conflicts

  • strong oxidants

Safety

CIR Status
Not reviewed
Max tested
1%
Sensitization risk Low

AICIS found low oral toxicity, and skin irritation in animal tests was attributed to mechanical adhesion, not chemical irritation. SkinSAFE and EWG also indicate a low risk profile.


Your Skin

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

Our Assessment

Valuable

This polymer is a valuable film-former for styling products, offering excellent hold and clarity with a favorable safety profile.


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