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POLYMETHYLSILSESQUIOXANE/SILICA CROSSPOLYMER.

Valuable / OPACIFYING

This advanced crosspolymer enhances skin texture by creating a soft, smooth feel and reducing the appearance of fine lines and imperfections. It achieves a delicate porcelain finish while controlling shine through sebum absorption, offering a refined aesthetic.

Absorbent (sebum) Opacifying Agent Skin Conditioning Agent Slip Agent Texture Enhancer Dermal Filler (temporary) Soft Focus Agent Film-Former

Science

This ingredient functions by forming a subtle film on the skin's surface, effectively filling microscopic irregularities to instantly diminish the appearance of fine lines and wrinkles. It diffuses light, creating a soft-focus effect that minimizes the visibility of pores and uneven skin tone, contributing to a smoother complexion. Furthermore, it absorbs excess sebum, controlling shine and promoting a refined, conditioned skin feel.


Research

High confidence
Effective range 2–10%
Optimal

7%

Key findings

  1. 01 In emulsified skincare formulations, it significantly improves skin feel, imparting smoothness, a delicate powdery finish, and a porcelain-like appearance.
  2. 02 Within makeup formulations, this ingredient is effective for its anti-caking properties, contributing to smooth surfaces and enhancing the overall product feel.

Transparency

Not commonly dusted

While contributing to a delicate powdery feel, this ingredient is noted for its anti-caking properties in makeup and improves skin texture rather than creating an undesirable visible powdery residue.


The Formula

Solubility
Oil
Optimal pH 6 – 8
0 7 14

Stability

Exhibits excellent thermal and chemical stability, retaining its properties under extreme heat and humidity, which contributes to enhanced product stability and extended shelf life (up to 24 months when stored at or below 32°C).


Safety

CIR Status
Safe as used
Max tested
55.2%
Sensitization risk Low

The CIR Expert Panel confirmed its safety for cosmetic use within current practices and concentrations, citing low toxicity and a robust safety record. Its large molecular size prevents skin penetration, and it is considered non-comedogenic and suitable for sensitive skin. However, direct eye contact should be avoided as it can be irritating.


Your Skin

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

Our Assessment

Valuable

This versatile crosspolymer is valuable for enhancing skin texture, providing a smooth, soft-focus finish, and controlling shine across a broad range of skincare and makeup applications.


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