Specialty Additives Available — Bulk Only

Hydrolyzed Silk Protein

CAS 96690-41-4

A fibroin-based peptide active supplied for substantive conditioning and film formation in hair and skin care. It is used in personal-care formulations as a hair- and skin-conditioning agent and film former.

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HS Code
3504.00
At a Glance
Material Family
Specialty Additives
Record Type
Pure compound
Primary Role
Conditioning · Moisture Control
Functional Roles
SILK AMINO ACIDS
HAIR CONDITIONINGHUMECTANTSKIN CONDITIONING
Industries Served
Applications & Use Cases
  • Hair conditioning: substantive silk-peptide conditioning agent
  • Skin conditioning: protein-derived conditioning ingredient
  • Film forming: peptide film on keratin substrates
Safety & Handling
Full SDS available on request

A grade-specific Safety Data Sheet (SDS) — with the complete hazard classification, handling precautions, and transport information — is supplied with every shipment and available on request. Confirm all safety and regulatory details against the SDS for your specific grade.

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HS / Tariff Classification
Harmonized System (HS) Code — 6-digit international heading
3504 . 00
Chapter 35
Albuminoidal substances; modified starches; glues; enzymes
Heading 35.04
Internationally harmonized (WCO HS)
Subheading 3504.00
6-digit international code — national tariff line adds further digits
Chemical Identity
CAS Number
96690-41-4
INCI Name
SILK AMINO ACIDS
Synonyms & Trade Names
Silk peptides hydrolyzed fibroin silk extract
Full Description

Hydrolyzed silk protein (CAS 96690-41-4) is a mixture of peptides and amino acids derived from silk fibroin. It is used in personal-care formulations as a hair- and skin-conditioning agent and film former.

Frequently Asked Questions

What is hydrolyzed silk protein?

Hydrolyzed silk protein (CAS 96690-41-4) is a mixture of peptides and amino acids derived from silk fibroin. In personal-care formulations it is used as a hair- and skin-conditioning agent and peptide film former on keratin substrates.

What is hydrolyzed silk protein used for in formulations?

It serves as a substantive silk-peptide conditioning agent for hair, a protein-derived conditioning ingredient for skin, and a film former on keratin. RawSource supplies it as a formulation raw material to personal-care manufacturers.

What is the INCI name and CAS number for hydrolyzed silk protein?

The INCI name is Hydrolyzed Silk and the CAS number is 96690-41-4. It classifies under HS 3504.00 (peptones and other protein derivatives). A CoA and SDS accompany each lot.

Is hydrolyzed silk protein available as a liquid or powder?

Hydrolyzed silk protein is offered in both liquid (aqueous solution) and powder forms depending on grade. Confirm the form, solids content, and specification for your application when requesting a quote, as these vary by source and lot.

What is the cost of bulk hydrolyzed silk protein?

Price depends on grade, form, order volume, and freight, so no fixed price is published. Request a bulk quote and RawSource will return current pricing with packaging and lead time.

Disclaimer. Information on this page — including properties, identifiers, hazard, transport (DOT/UN) and tariff (HS) classifications, and applications — is provided for general reference and is compiled from authoritative public sources (e.g. PubChem/ECHA, 49 CFR 172.101, the Harmonized Tariff Schedule). Values are typical and are not a guaranteed specification; the Certificate of Analysis (CoA) for the lot purchased governs. Products are sold for industrial and professional use only. Nothing here is a medical, health, or efficacy claim or advice. Always consult the current Safety Data Sheet (SDS) before handling, storage, transport or disposal, and confirm regulatory status, classification and suitability for your application and jurisdiction. Hazard, transport and tariff classifications must be verified for your specific shipment. RawSource makes no warranty, express or implied, and assumes no liability for use of this information. Trademarks. Third-party trademarks and brand names are the property of their respective owners; any reference is nominative — used only to identify a comparable product — and does not imply affiliation with, sponsorship by, or endorsement by the trademark owner.