Protein hydrolyzates, soya.
How much products actually contain
16 products state the amountmedian 0.00025%
- under 0.01% 13
- 0.01–0.1% 3
- 0.1–1% 0
- 1% or more 0
Amounts are mostly stated by products named after the ingredient, so they may lean towards token amounts.
Of the products containing it, 132 list it before the 1% line and 171 after it (usually 1% or less).
Products using this ingredient
12 of 302 confirmed · likeliest to carry enough first · See all 302
ElastineAmino Peptide Weak Acid Protein Hair Pack Treatment Blanc Musk Scent0.05% stated
AROMATICAQuinoa Protein Treatment Mask 160ml0.003% stated
KUNDALKUNDAL Protein Damage Care No-Wash Treatment, 3 Types0.000075% stated
ArheeLPT No-Wash Treatment0.00004% stated
Mielle OrganicsMielle Organics Mango & Tulsi Nourishing Instant 3-IN-1 Serum
TRIMAYDaily Defender Hair Spray Serum
ORLYORLY FLASH DRY DROPS
DermalogicaDermalogica phyto nature e² regenerating daily exosome leave-on treatment
M·A·CM·A·C Blot Powder / Pressed - Dark
M·A·CM·A·C Blot Powder / Pressed - Deep Dark
M·A·CM·A·C Blot Powder / Pressed - Light
M·A·CM·A·C Blot Powder / Pressed - Medium
Definition
US FDA substance register · UNII 1394NXB9L6 · registered name Hydrolyzed Soy Protein (Enzymatic; 2000 MW) · biological origin (no fixed structure)
Protein hydrolyzates, soya. Substance obtained by acidic, alkaline, or enzymatic hydrolysis of soya composed primarily of amino acids, peptides, and proteins. It may contain impurities consisting chiefly of carbohydrates and lipids along with smaller quantities of miscellaneous organic substances of biological origin
Cosmetic roles
Safety & regulatory references
Not classified under Korea’s toxic-substance GHS list · existing chemical substance
Reviewed by CIR: Final Report: Safety Assessment of Soy Proteins and Peptides as Used in Cosmetics
More data — names, identifiers, properties, test records, literature
Official labels & definitions
JCIA labelling name 加水分解ダイズタンパク: 本品は、大豆たん白を酸、酵素又は他の方法で加水分解して得られるものである。
Source: JCIA labelling names (Japan)
Names & identifiers
- CAS No.chemical registry number
- 68607-88-5
- EC No.EU chemical inventory number
- 271-770-5
- DTXSIDUS EPA chemical ID
- DTXSID40894541
Measured properties
- Appearance
- solid
Values measured on the substance itself. The KOSHA data are a reference for writing and reviewing safety data sheets, not a specification for a commercial raw material.
Source: KOSHA safety data sheets (Korea)
What products actually use it for
What the 18 products reported to the US EPA with this ingredient use it for. Products outside cosmetics are included, so the top few rows are its main uses.
- Softener and conditioner10
- Anti-static agent3
- Humectant3
- Soil amendments1
- No specific technical function1
Source: US EPA CompTox dashboard
Irritation and sensitisation studies
2 skin studies and 1 eye studies are on record.
The study conclusions largely agree (100%). These tests are on the raw material itself; irritation at the amount in a finished product is a different question.
See all 3 studies
- Studies Indicate No Significant Irritation
skin irritation: in vivo · Screening · OECD Guideline 404 (Acute Dermal Irritation / Corrosion) according to EU Method B.4 (Acute Toxicity: Dermal Irritation / Corrosion) according to - Not likely to be sensitizing
skin sensitisation: in vivo (non-LLNA) · Screening · according to OECD Guideline 406 (Skin Sensitisation) - Studies Indicate No Significant Irritation
eye irritation: in vivo · Screening · OECD Guideline 405 (Acute Eye Irritation / Corrosion) according to EU Method B.5 (Acute Toxicity: Eye Irritation / Corrosion) according to
Source: US EPA CompTox dashboard
Related literature
- Ingredients of Trichological Shampoos with Alleged Beneficial Effects on Hair—What Is Really Known About Their Efficacy? A Scoping Review of an Area with More Unknowns than Knowns · 2025
- Immunologic responses against hydrolyzed soy protein in dogs with experimentally induced soy hypersensitivity. · 2006
- Assessment of IgE binding to native and hydrolyzed soy protein in serum obtained from dogs with experimentally induced soy protein hypersensitivity. · 2006
Linked databases 15
- Australian Industrial Chemicals Inventory (AICIS)
- China inventory of existing ingredients (IECIC)
- EU CosIng ingredient list 2
- JCIA labelling names (Japan)
- Korea Cosmetic Association ingredient dictionary
- Korea toxic substances GHS register (NIER)
- KOSHA safety data sheets (Korea)
- MFDS (Korea) cosmetic ingredient register 2
- NIST Chemistry WebBook
- Tlooto literature search 2 3
- US Cosmetic Ingredient Review (CIR) 2
- US EPA CompTox dashboard
- US EPA DSSTox chemical database
- US FDA substance registration (GSRS)
- US FDA Unique Ingredient Identifier (UNII)