Silicone Copolyol

INCI: DIMETHICONE COPOLYOL

CAS Number
64365-23-7 (Dimethicone Copolyol, the most common silicone copolyol)
Function
Emulsifying, Hair Conditioning, Skin Conditioning, Surfactant
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Not specifically restricted by FDA; CIR has reviewed dimethicone copolyol and related silicones as safe in cosmetics

For full compliance data across 55 jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
negligible
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Contains PEG moiety with potential 1,4-dioxane trace contamination concern; environmental persistence of silicones is an emerging regulatory concern. Verify supplier CoA for dioxane levels.

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Concern Level: Low

Frequently Asked Questions

Is Silicone Copolyol safe in cosmetics?

Contains PEG moiety with potential 1,4-dioxane trace contamination concern; environmental persistence of silicones is an emerging regulatory concern. Verify supplier CoA for dioxane levels. The EU classifies Silicone Copolyol as "permitted". Safety rating: GOOD.

Is Silicone Copolyol allowed in the EU?

Silicone Copolyol EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Silicone Copolyol do in cosmetics?

Silicone Copolyol functions as: Emulsifying, Hair Conditioning, Skin Conditioning, Surfactant. It is classified as a cosmetic ingredient in our database. CAS number: 64365-23-7 (Dimethicone Copolyol, the most common silicone copolyol).

What is the Margin of Safety for Silicone Copolyol?

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.

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