Polydiethylsiloxane

INCI: POLYDIETHYLSILOXANE

CAS Number
68937-22-2
Function
Skin conditioning agent; emollient
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Permitted for cosmetic use; CIR Expert Panel reviewed related dimethicone/silicone crosspolymers as safe in present practices of use

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

Verify D4/D5 cyclic siloxane residuals comply with EU Annex II limits (D4 โ‰ฅ0.1% banned in wash-off; D5 restricted). Confirm organic compatibility claims with actual formulation.

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Concern Level: Low

Frequently Asked Questions

Is Polydiethylsiloxane safe in cosmetics?

Verify D4/D5 cyclic siloxane residuals comply with EU Annex II limits (D4 โ‰ฅ0.1% banned in wash-off; D5 restricted). Confirm organic compatibility claims with actual formulation. The EU classifies Polydiethylsiloxane as "permitted". Safety rating: GOOD.

Is Polydiethylsiloxane allowed in the EU?

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

What does Polydiethylsiloxane do in cosmetics?

Polydiethylsiloxane functions as: Skin conditioning agent; emollient. It is classified as a cosmetic ingredient in our database. CAS number: 68937-22-2.

What is the Margin of Safety for Polydiethylsiloxane?

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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