Regulatory Status
For full compliance data across 55 jurisdictions, use the Substance Compliance tool.
Safety Data
Calculate MoS for your specific formulation with the MoS Calculator.
Expert Verdict
Polymethylsilsesquioxane is generally considered safe for use as a sensory/texture modifier in sunscreens.
Frequently Asked Questions
Is Microspheres safe in cosmetics?
Polymethylsilsesquioxane is generally considered safe for use as a sensory/texture modifier in sunscreens. The EU classifies Microspheres as "permitted". Safety rating: GOOD.
Is Microspheres allowed in the EU?
Microspheres EU regulatory status: permitted. Maximum allowed concentration: 4.9%. This is based on EU Regulation 1223/2009 and its amendments.
What does Microspheres do in cosmetics?
Microspheres functions as: Sensory/texture modifier in sunscreens, not as a UV filter. It is classified as a UV Filter / Sunscreen in our database. CAS number: None.
What is the Margin of Safety for Microspheres?
not established The Margin of Safety (MoS) is calculated using SCCS methodology. A MoS above 100 is generally considered safe. Use the MoS Calculator tool to calculate MoS for your specific formulation and product category.
Compliance Tools
Check Microspheres compliance across multiple jurisdictions:
Related Ingredients
Is Microspheres in Your Products?
Scan any product label with Piro โ our free ingredient scanner. Point your camera at the ingredients list and get instant safety scores for every ingredient.
Try Piro Free โAnalyze Your Full Ingredient List
Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for Microspheres in your formulation.