Polydimethylsiloxyethyl Dimethicone/Methicone Copolymer

INCI: POLYDIMETHYLSILOXYETHYL DIMETHICONE/METHICONE COPOLYMER

CAS Number
Not assigned (proprietary copolymer)
Function
Skin conditioning; hair conditioning; film former
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Covered under CIR reviews of dimethicone and methicone copolymers โ€” safe as used

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

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
negligible
Sensitization
none

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Standard silicone copolymer; ensure D4/D5 cyclics remain below EU limits and confirm stability in aqueous formulations due to potential hydrogen release from methicone component.

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Concern Level: Low

Frequently Asked Questions

Is Polydimethylsiloxyethyl Dimethicone/Methicone Copolymer safe in cosmetics?

Standard silicone copolymer; ensure D4/D5 cyclics remain below EU limits and confirm stability in aqueous formulations due to potential hydrogen release from methicone component. The EU classifies Polydimethylsiloxyethyl Dimethicone/Methicone Copolymer as "permitted". Safety rating: GOOD.

Is Polydimethylsiloxyethyl Dimethicone/Methicone Copolymer allowed in the EU?

Polydimethylsiloxyethyl Dimethicone/Methicone Copolymer EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Polydimethylsiloxyethyl Dimethicone/Methicone Copolymer do in cosmetics?

Polydimethylsiloxyethyl Dimethicone/Methicone Copolymer functions as: Skin conditioning; hair conditioning; film former. It is classified as a cosmetic ingredient in our database. CAS number: Not assigned (proprietary copolymer).

What is the Margin of Safety for Polydimethylsiloxyethyl Dimethicone/Methicone Copolymer?

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.

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