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BUTYLDIMETHICONE METHACRYLATE/METHYL METHACRYLATE CROSSPOLYMER.

Valuable / PLASTICISER

A hybrid silicone-acrylic microsphere polymer that functions as an optical skin perfector and sebum absorber. These spherical particles create instant pore-blurring effects while maintaining exceptional oil control throughout the day.

absorbent viscosity controlling texture enhancer film former

Science

Works through triple-action technology: spherical microspheres scatter light to optically blur skin imperfections, porous acrylic structures absorb excess sebum (60-100 mL/100g capacity), and the ball-bearing particle structure enhances product spreadability and skin feel.


Research

High confidence
Effective range 1–10%
Optimal

5%

Key findings

  1. 01 Significant soft-focus effect and blurring of skin imperfections with improved tactile slip at 1-10% concentrations
  2. 02 High sebum absorption capacity of 60-100 mL/100g, effectively reducing shine and improving foundation longevity at 5%

Transparency

Not commonly dusted

Well-established cosmetic ingredient with clear efficacy data and appropriate concentration ranges


The Formula

Solubility
Oil
Optimal pH 3 – 10
0 7 14

Stability

Highly stable inert polymer resistant to temperature extremes and wide pH ranges. Must be dispersed in oil or silicone phases.

Synergies

  • Silicones for enhanced texture
  • Other oil-absorbing powders for mattifying effect

Conflicts

  • Purely aqueous systems without emulsifiers
  • Requires high-shear mixing to prevent settling

Safety

CIR Status
Safe as used
Max tested
10%
Pregnancy
Safe
Sensitization risk Low

Evaluated by CIR Expert Panel in 2012 as part of Dimethicone Crosspolymer group. Large molecular structure prevents skin penetration.


Your Skin

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

Our Assessment

Valuable

Excellent dual-function ingredient that delivers both immediate optical blurring and sustained oil control with universal skin compatibility.


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