What does Methacryloyl hydrolyzed soy protein do?

Used in cosmetics as an antioxidant, a skin-conditioning agent and a hair conditioner. Methacryloyl Hydrolyzed Soy Protein is the product obtained by the reaction of methacrylic anhydride and Hydrolyzed Soy Protein.

Is Methacryloyl hydrolyzed soy protein safe?

We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.

beauty

Methacryloyl hydrolyzed soy protein

Concern score

Not assessed — no hazard data yet.

Methacryloyl hydrolyzed soy protein in plain language

What it does: Used in cosmetics as an antioxidant, a skin-conditioning agent and a hair conditioner. Methacryloyl Hydrolyzed Soy Protein is the product obtained by the reaction of methacrylic anhydride and Hydrolyzed Soy Protein.
Antioxidant
Skin conditioning
Hair conditioning
Hair waving or straightening
Skin protecting
Is it a concern?: We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.

What we know about this ingredient

Canonical ingredient record built from 1 public-source records.

Regulation

No restrictions found. Methacryloyl hydrolyzed soy protein appears in these published regulatory listings.

EUCosIngActiveMethacryloyl Hydrolyzed Soy Protein is the product obtained by the reaction of methacrylic anhydride and Hydrolyzed Soy Protein.
- Methacryloyl Hydrolyzed Soy Protein is the product obtained by the reaction of methacrylic anhydride and Hydrolyzed Soy Protein.Source →

Expert safety opinions

No expert opinion on file for Methacryloyl hydrolyzed soy protein. These are the independent scientific bodies that assess ingredients like this one; we show an opinion only when a record we hold cites it.

SCCS
EU Scientific Committee on Consumer Safety
No SCCS opinion on file.
CIR
Cosmetic Ingredient Review (US expert panel)
No CIR safety assessment on file.

Evidence & sources

No graded research studies for Methacryloyl hydrolyzed soy protein yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

1 data source

Where this comes from

CosIng
regulatory · updated 2026-09-23
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Allergen profile

Canonical allergen markers detected on this ingredient. Each row is derived from the ingredient’s name or synonyms matching a known allergen class — useful when scanning a label for a specific allergy context.

SoyContains · Oral (ingested)
Source: chemindex_name_match

Suitability

Context-specific fit derived from published classifications and the current ingredient evidence profile.

Fragrance avoidance

Nothing to weigh for this context yet.

No signal in this context

We have no published hazard signal for this ingredient, so we cannot say how it behaves in this context — that is missing evidence, not a clean result.