Silicone Quaternium-26

INCI: SILICONE QUATERNIUM-26

CAS Number
Not publicly assigned (polymeric)
Function
Hair Conditioning, Skin Conditioning, Skin Conditioning – Emollient
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Permitted for cosmetic use; no restriction identified.

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

None identified. Note: not the same as Quaternium-26 (CAS 68953-64-0), which does have a CIR safety review.

⚠️
Concern Level: Low

Frequently Asked Questions

Is Silicone Quaternium-26 safe in cosmetics?

None identified. Note: not the same as Quaternium-26 (CAS 68953-64-0), which does have a CIR safety review. The EU classifies Silicone Quaternium-26 as "permitted". Safety rating: GOOD.

Is Silicone Quaternium-26 allowed in the EU?

Silicone Quaternium-26 EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Silicone Quaternium-26 do in cosmetics?

Silicone Quaternium-26 functions as: Hair Conditioning, Skin Conditioning, Skin Conditioning – Emollient. It is classified as a cosmetic ingredient in our database. CAS number: Not publicly assigned (polymeric).

What is the Margin of Safety for Silicone Quaternium-26?

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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