Hydrolyzed Soy Protein/Dimethicone PEG-7 Acetate

INCI: HYDROLYZED SOY PROTEIN/DIMETHICONE PEG-7 ACETATE

CAS Number
Not publicly assigned
Function
Hair conditioning (silicone-protein copolymer providing substantivity to hair)
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

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

PEG derivatives may contain trace 1,4-dioxane and ethylene oxide โ€” must test and confirm below limits (10 ppm 1,4-dioxane per industry standard; โ‰ค1 ppm per NY DEC 2026 limits). Soy allergen consideration applies. Not recommended for use in products that may be incidentally inhaled without inhalation data.

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Concern Level: Moderate

Regulatory Flags

potential-allergen peg-ingredient

Frequently Asked Questions

Is Hydrolyzed Soy Protein/Dimethicone PEG-7 Acetate safe in cosmetics?

PEG derivatives may contain trace 1,4-dioxane and ethylene oxide โ€” must test and confirm below limits (10 ppm 1,4-dioxane per industry standard; โ‰ค1 ppm per NY DEC 2026 limits). Soy allergen consideration applies. Not recommended for use in products that may be incidentally inhaled without inhalation data. The EU classifies Hydrolyzed Soy Protein/Dimethicone PEG-7 Acetate as "permitted". Safety rating: GOOD.

Is Hydrolyzed Soy Protein/Dimethicone PEG-7 Acetate allowed in the EU?

Hydrolyzed Soy Protein/Dimethicone PEG-7 Acetate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Hydrolyzed Soy Protein/Dimethicone PEG-7 Acetate do in cosmetics?

Hydrolyzed Soy Protein/Dimethicone PEG-7 Acetate functions as: Hair conditioning (silicone-protein copolymer providing substantivity to hair). It is classified as a cosmetic ingredient in our database. CAS number: Not publicly assigned.

What is the Margin of Safety for Hydrolyzed Soy Protein/Dimethicone PEG-7 Acetate?

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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