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.
Dermal Penetration Profile
Skin absorption and penetration characteristics of Phenyl Trimethicone, relevant to systemic exposure and MoS calculations.
Source: CIR
Expert Verdict
Phenyl-substituted silicone delivering superior shine versus standard dimethicone by more closely matching hair's refractive index (~1.46 versus ~1.40 for dimethicone). Key ingredient in hair gloss serums, thermal protectants, and anti-aging skin care where optical brightening is desired. Provides heat protection above 200°C. Not subject to D4/D5/D6 EU restrictions. Well-tolerated at cosmetic use levels.
Regulatory Flags
Frequently Asked Questions
Is Phenyl Trimethicone safe in cosmetics?
Phenyl-substituted silicone delivering superior shine versus standard dimethicone by more closely matching hair's refractive index (~1.46 versus ~1.40 for dimethicone). Key ingredient in hair gloss serums, thermal protectants, and anti-aging skin care where optical brightening is desired. Provides heat protection above 200°C. Not subject to D4/D5/D6 EU restrictions. Well-tolerated at cosmetic use levels. The EU classifies Phenyl Trimethicone as "permitted". Safety rating: GOOD.
Is Phenyl Trimethicone allowed in the EU?
Phenyl Trimethicone EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Phenyl Trimethicone do in cosmetics?
Phenyl Trimethicone functions as: emollient, hair conditioning, optical enhancer, refractive-index modifier. It is classified as a Emollient in our database. CAS number: 2116-84-9.
What is the Margin of Safety for Phenyl Trimethicone?
adequate 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 Phenyl Trimethicone compliance across multiple jurisdictions:
Related Ingredients
Is Phenyl Trimethicone in Your Products?
Scan any product label with Piro — our free ingredient scanner. Point your camera at the ingredients list and get instant safety scores for every ingredient.
Try Piro Free →Analyze Your Full Ingredient List
Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for Phenyl Trimethicone in your formulation.