Ethyl Ester of Hydrolyzed Silk

INCI: ETHYL ESTER OF HYDROLYZED SILK

CAS Number
Not uniquely assigned; COSING REF No. 76009 [^1_10]
Function
Antistatic, hair conditioning, skin conditioning
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Permitted โ€” no specific CFR restriction; silk protein hydrolysates reviewed in CIR protein class data

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

Insect-origin protein with potential for IgE-mediated hypersensitivity in silk-sensitized individuals; limited standalone toxicological data relies on read-across from hydrolyzed silk.

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Concern Level: Moderate

Regulatory Flags

potential-allergen

Frequently Asked Questions

Is Ethyl Ester of Hydrolyzed Silk safe in cosmetics?

Insect-origin protein with potential for IgE-mediated hypersensitivity in silk-sensitized individuals; limited standalone toxicological data relies on read-across from hydrolyzed silk. The EU classifies Ethyl Ester of Hydrolyzed Silk as "permitted". Safety rating: GOOD.

Is Ethyl Ester of Hydrolyzed Silk allowed in the EU?

Ethyl Ester of Hydrolyzed Silk EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Ethyl Ester of Hydrolyzed Silk do in cosmetics?

Ethyl Ester of Hydrolyzed Silk functions as: Antistatic, hair conditioning, skin conditioning. It is classified as a cosmetic ingredient in our database. CAS number: Not uniquely assigned; COSING REF No. 76009 [^1_10].

What is the Margin of Safety for Ethyl Ester of Hydrolyzed Silk?

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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