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GREENVEIL

  • beauty
  • cleaning

Hydrolyzed silk protein

CAS 96690-41-4 · 0/100 · High conf.

Concern score

0/100Low concern — well-established and permitted without restriction (CIR safe as used; EU CosIng).
High confidence

Hydrolyzed silk protein in plain language

What it is

On cosmetic ingredient lists it appears as “Hydrolyzed silk”.

Also known as Hydrolyzed silk · Silk amino acids · silk protein hydrolyzates

What it does

Used in cosmetics as a humectant, a skin-conditioning agent and a hair conditioner.

  • Humectant
  • Skin conditioning
  • Hair conditioning
  • Antistatic
  • Conditioner
Is it a concern?
Low concern: no hazard classifications on record. It is listed for cosmetic use in the EU.

Why it's flagged

EPA CPDat observed this chemical in 19 composition records across product categories including Furniture and furnishings, Construction and building materials, Personal care.

The score describes this ingredient's chemical identity — its hazard profile from published classifications and regulatory status — not the safety of any product it appears in.

Regulation

No restrictions found. Hydrolyzed silk protein appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Beauty
  • Cleaning
  • EUCosIngActiveProtein hydrolyzates, silk
  • USEPAcommercial use observedEPA CPDat observed this chemical in 19 composition records across product categories including Furniture and furnishings, Construction and building materials, Personal care. EPA CPDat classifies this chemical for functional uses including Humectant, Anti-static agent, Softener and conditioner.
    • EPA CPDat observed this chemical in 19 composition records across product categories including Furniture and furnishings, Construction and building materials, Personal care. EPA CPDat classifies this chemical for functional uses including Humectant, Anti-static agent, Softener and conditioner.Source →

Expert safety opinions

No expert opinion on file for Hydrolyzed silk 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 Hydrolyzed silk protein yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

3 data sources

Where this comes from

  • CosIng

    regulatory · updated 2026-09-23

    Open →

  • EPA Chemical and Products Database

    exposure · updated october 21, 2013

    Open →

  • EPA DSSTox Identifiers

    chemistry · updated 2025-12-29

    Open →

Suitability

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

Fragrance avoidance

No fragrance-linked caution surfaced in the current profile.

Good fit

This ingredient does not currently read as a fragrance-linked driver in the published evidence and hazard profile.

Where it has been recorded

How often EPA CPDat has listed Hydrolyzed silk protein in a product composition. These are source records, not Greenveil catalog products.

Source records

19

Named organisations

5

Furniture and furnishingsConstruction and building materialsPersonal care

Typical roles

HumectantSkin conditioningHair conditioningAntistaticConditioner
See products using Hydrolyzed silk protein →

Catalog

Found in these products

Their ingredient lists include Hydrolyzed silk protein; each product's own rating depends on its whole formula, so it is shown on the product page, not here.

See all 114 →Find products without it →