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METHACRYLIC ACID/SODIUM ACRYLAMIDOMETHYL PROPANE SULFONATE COPOLYMER.

Valuable / FILM FORMING, HAIR FIXING

This sophisticated polymer is engineered to significantly improve the sensory experience and stability of skincare and cleansing formulations. It adeptly reduces tack, enhances spreadability, and functions as a film-forming agent, contributing to a refined skin feel and cohesive product texture.

Summary

Film-forming Hair Fixative Lubricant Spreadability Enhancer Tack Reducer Lather Booster Viscosity Control

Science

Mechanism of Action

The copolymer primarily functions by creating a flexible, non-tacky film on the skin, hair, or nails. Its distinct polar and hydrophilic properties, largely attributed to its AMPS monomer component, provide superior lubrication, effectively minimizing stickiness and wetness in formulations. In cleansing applications, it notably boosts product spreadability, increases slipperiness, and enriches lather density.

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

Typically supplied as a clear to slightly opaque, colorless, odorless viscous aqueous polymer solution. The AMPS monomer imparts anionic character across a wide pH range, making it particularly robust for formulations in high pH or alkaline water conditions. Its incorporation into products is straightforward, requiring no heat or complex additional processing, simplifying manufacturing.

Synergies

  • Anionic thickening agents
  • Nonionic thickening agents
  • Amphoteric thickening agents
  • Carbomer (for clear formulations)

Safety

Safety Profile

CIR Status
Safe with restrictions
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel deemed acrylates copolymers, a category encompassing this ingredient, safe for cosmetic applications provided they are formulated to be non-irritating. This underscores the importance of precise formulation to ensure consumer safety and comfort. Independent assessments, such as by EWG, indicate low concerns regarding potential cancer, allergies, immunotoxicity, developmental and reproductive toxicity, and general use restrictions.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

METHACRYLIC ACID/SODIUM ACRYLAMIDOMETHYL PROPANE SULFONATE COPOLYMER is a valuable multi-functional ingredient, enhancing cosmetic elegance through improved texture, spreadability, and film-forming benefits, provided it is formulated to be non-irritating.

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