Silicone Quaternium-17

INCI: SILICONE QUATERNIUM-17

CAS Number
519142-86-0 (as blend with propylene glycol)
Function
Hair Conditioning, Surfactant-Emulsifying, Surfactant-Cleansing
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Permitted for cosmetic use

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

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
low
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Surfactant/emulsifying function means it can enhance penetration of co-formulated actives โ€” consider this in safety assessment of finished product; commonly supplied as blend with propylene glycol

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Concern Level: Low

Frequently Asked Questions

Is Silicone Quaternium-17 safe in cosmetics?

Surfactant/emulsifying function means it can enhance penetration of co-formulated actives โ€” consider this in safety assessment of finished product; commonly supplied as blend with propylene glycol The EU classifies Silicone Quaternium-17 as "permitted". Safety rating: GOOD.

Is Silicone Quaternium-17 allowed in the EU?

Silicone Quaternium-17 EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Silicone Quaternium-17 do in cosmetics?

Silicone Quaternium-17 functions as: Hair Conditioning, Surfactant-Emulsifying, Surfactant-Cleansing. It is classified as a cosmetic ingredient in our database. CAS number: 519142-86-0 (as blend with propylene glycol).

What is the Margin of Safety for Silicone Quaternium-17?

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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