Silica Silylate

INCI: SILICA SILYLATE

CAS Number
68909-20-6
Function
Anticaking, Antifoaming, Bulking, Emulsion Stabilising, Skin Conditioning, Viscosity Controlling
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
EU Max Conc. No limit (non-nano); nano form subject to Article 16 notification
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes CIR 2013 safe as used when formulated not to be irritating/sensitizing to respiratory tract.

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

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
negligible
Sensitization
none

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

CIR safe as used (2013) with respiratory caveat. SCCS nano-form opinion (SCCS/1545/15) was inconclusive. EU reassessment mandated Nov 2025; final opinion expected late 2026. Nano form triggers nano labeling.

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Concern Level: Low

Regulatory Flags

NANOMATERIAL NEW_REGULATION epa_safer_alternative

Frequently Asked Questions

Is Silica Silylate safe in cosmetics?

CIR safe as used (2013) with respiratory caveat. SCCS nano-form opinion (SCCS/1545/15) was inconclusive. EU reassessment mandated Nov 2025; final opinion expected late 2026. Nano form triggers nano labeling. The EU classifies Silica Silylate as "permitted". Safety rating: GOOD.

Is Silica Silylate allowed in the EU?

Silica Silylate EU regulatory status: permitted. Maximum allowed concentration: No limit (non-nano); nano form subject to Article 16 notification. This is based on EU Regulation 1223/2009 and its amendments.

What does Silica Silylate do in cosmetics?

Silica Silylate functions as: Anticaking, Antifoaming, Bulking, Emulsion Stabilising, Skin Conditioning, Viscosity Controlling. It is classified as a cosmetic ingredient in our database. CAS number: 68909-20-6.

What is the Margin of Safety for Silica Silylate?

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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