Polymethylsilsesquioxane/Silica Crosspolymer

1. Definition Polymethylsilsesquioxane/Silica Crosspolymer:

Polymethylsilsesquioxane/Silica Crosspolymer is a synthetic ingredient commonly used in cosmetics as a thickening agent, absorbent, and texture enhancer. It is a combination of polymethylsilsesquioxane, which is a silicone-based polymer, and silica, which is a mineral that helps to absorb excess oil and moisture.

2. Use:

Polymethylsilsesquioxane/Silica Crosspolymer is used in cosmetics to improve the texture and feel of products, providing a smooth and silky finish. It is often found in foundations, powders, primers, and other makeup products to help control shine and create a matte look. Additionally, it can help to blur imperfections and fine lines, giving the skin a more even appearance.

3. Usage Polymethylsilsesquioxane/Silica Crosspolymer:

When using products containing Polymethylsilsesquioxane/Silica Crosspolymer, it is important to follow the manufacturer's instructions and guidelines. It is generally considered safe for use in cosmetics, but it is always recommended to perform a patch test before applying it to the entire face, especially if you have sensitive skin. Additionally, avoid getting the product in your eyes or mouth, and discontinue use if any irritation or allergic reaction occurs.

4. References:

- "Polymethylsilsesquioxane/Silica Crosspolymer." Cosmetics Info, www.cosmeticsinfo.org/ingredient/polymethylsilsesquioxanesilica-crosspolymer.

- Kim, Soo Hyun, et al. "Characterization of the surface properties of synthetic polymethylsilsesquioxane/silica nanocomposites." Journal of Colloid and Interface Science, vol. 317, no. 2, 2008, pp. 548-556.

- Park, Jin Ho, et al. "Enhanced thermal and mechanical properties of polymethylsilsesquioxane/silica nanocomposites." Polymer, vol. 47, no. 4, 2006, pp. 1345-1352.