Is Decyl Dimethicone safe in cosmetics?
Decyl Dimethicone has a safety rating of "EXCELLENT" in our database. EU status: permitted. US status: permitted.
Excellent
Cosmetic Ingredient
Decyl Dimethicone
INCI: DECYL DIMETHICONE
Decyl Dimethicone (CAS Not uniquely assigned (falls under polydimethylsiloxane derivatives group)) is a cosmetic cosmetic ingredient functioning as Skin conditioning agent (emollient), hair conditioning, antifoaming. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.
Auto-generated CPSR Part A draft with source citations
CAS Number
Not uniquely assigned (falls under polydimethylsiloxane derivatives group)
View industrial chemical safety profile →
Function
Skin conditioning agent (emollient), hair conditioning, antifoaming
Safety Rating
EXCELLENT
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
Permitted — CIR Expert Panel concluded dimethicone and methicone group ingredients safe as used in cosmetics
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Decyl Dimethicone.
Calculate MoS for your specific formulation with the MoS Calculator.
Additional Ingredient Properties
1 property record from structured ingredient metadata.
silicone
{"cas_number": "Not assigned", "silicone_class": "dimethicone", "molecular_weight_Da": "3100.0", "viscosity_cSt": "210", "volatility": "non_volatile", "evaporation_rate_relative_to_D5": "0.03", "refractive_index": "1.412", "specific_gravity": "0.963", "flash_point_C": "115.0", "surface_tension_mN_m": "20.5", "spreading_coefficient": "4.7", "film_forming_ability": "good", "skin_feel": "silky", "sli…
Expert Verdict
Expert safety assessment and concern-level summary for Decyl Dimethicone.
Frequently Asked Questions
Is Decyl Dimethicone allowed in the EU?
Decyl Dimethicone EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Decyl Dimethicone do in cosmetics?
Decyl Dimethicone functions as: Skin conditioning agent (emollient), hair conditioning, antifoaming. It is classified as a cosmetic ingredient in our database. CAS number: Not uniquely assigned (falls under polydimethylsiloxane derivatives group).
Compliance Tools
Check Decyl Dimethicone compliance across multiple jurisdictions:
Ingredient Decoder
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82 Allergen Checker
Check for EU declarable fragrance allergens
Substance Compliance
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MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
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Is Decyl Dimethicone in Your Products?
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