Hydrogendimethylsiloxysilicate

INCI: HYDROGENDIMETHYLSILOXYSILICATE

CAS Number
68988-57-8
Function
Film forming
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Permitted โ€” not restricted under 21 CFR; silicone resin class reviewed by CIR (related trimethylsiloxysilicate assessed as safe)

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

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
negligible
Sensitization
high

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Hydrogen-functional silicone requiring verification of residual Si-H reactivity in finished products due to potential hydrogen gas generation; direct CIR monograph for this specific INCI does not exist; environmental persistence is a concern common to all silicones.

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Concern Level: Moderate

Frequently Asked Questions

Is Hydrogendimethylsiloxysilicate safe in cosmetics?

Hydrogen-functional silicone requiring verification of residual Si-H reactivity in finished products due to potential hydrogen gas generation; direct CIR monograph for this specific INCI does not exist; environmental persistence is a concern common to all silicones. The EU classifies Hydrogendimethylsiloxysilicate as "permitted". Safety rating: GOOD.

Is Hydrogendimethylsiloxysilicate allowed in the EU?

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

What does Hydrogendimethylsiloxysilicate do in cosmetics?

Hydrogendimethylsiloxysilicate functions as: Film forming. It is classified as a cosmetic ingredient in our database. CAS number: 68988-57-8.

What is the Margin of Safety for Hydrogendimethylsiloxysilicate?

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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