Food use
Food-use source coverage is present in the current record.
The ingredient appears in food-oriented source coverage or allowed-use references, which makes food use easier to support than a context with no domain signal at all.
- beauty
- food
- industrial
- pharma
L-Cystine
CAS 154605-69-3
Active ingredient · Anti-static agent · Deodorizer
Concern score
Not assessed — no hazard data yet.
Why it's flagged
EPA CPDat observed this chemical in 9 composition records across product categories including Laboratory supplies, Industrial products, Personal care.
Regulation
No restrictions found. L-Cystine appears in these published regulatory listings.
- commercial_presence
- consumer_product_presence
- cpdat_category:beauty|pharma|food|industrial
- definition_level:complete
- definition_type:primary
- ingredient_type:ingredient substance
- occupational_presence
- substance_class:chemical
USEPAcommercial use observedEPA CPDat observed this chemical in 9 composition records across product categories including Laboratory supplies, Industrial products, Personal care. EPA CPDat classifies this chemical for functional uses including Active ingredient, Anti-static agent, Deodorizer.
- EPA CPDat observed this chemical in 9 composition records across product categories including Laboratory supplies, Industrial products, Personal care. EPA CPDat classifies this chemical for functional uses including Active ingredient, Anti-static agent, Deodorizer.Source →
USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
- openFDA substance registry classifies this ingredient as chemical.Source →
Evidence
No graded sources yet for L-Cystine. We publish evidence only once a source is linked and reviewed — this ingredient is in the catalog, but has not been assessed.
Suitability
Context-specific fit derived from published classifications and the current ingredient evidence profile.
Good fit
Fragrance avoidance
No fragrance-linked caution surfaced in the current profile.
This ingredient does not currently read as a fragrance-linked driver in the published evidence and hazard profile.
Where it appears
Prevalence of L-Cystine in our catalog (epa_cpdat).
Products
9
Brands
4
Laboratory suppliesIndustrial productsPersonal careFood and drug
Typical roles
Active ingredientAnti-static agentDeodorizerFillerFlavouring and nutrientSoftener and conditioner
Found in these products
- Protein OatsDoctor's Choice · Plant Based Foods And BeveragesHigh
- Lait maternel de chèvreHolle · Baby FoodsMinor
- Hydrolyzed Collagen PowderTrader Joe's · Dietary SupplementsMinor
- CollagenAlgaeCal · Dietary SupplementsMinor
- Gluta hya dewy radicanceVaseline · Skin CareModerate
- Nutramigen Hypoallergenic Infant Formula Powder with IronEnfamil · Whith Probiotic LggMinor
- Follow on milkHippMinor
- Pump Express 2.0Olimp · Dietary SupplementsHigh
- Primalac 3primalac premium · Baby FoodsHigh
- Lotte Custard Cake - Cream 276GLotteHigh
- SparkAdvocare
- Whey Protein PowderFull Circle Market · Dietary SupplementsHigh
- Compleat Pediatric Standard VanillaCompleat · Beverages And Beverages PreparationsMinor
- Compleat PeptideNestlé HealthScience · Tube Feeding FormulaMinor
- Plant based milkCompleat · Plant Based MilkMinor
- French BaguettesH&S Bakery · Plant Based Foods And BeveragesHigh
- Nutramigen Hypoallergenic Infant Formula with IronEnfamil · Baby FoodsModerate
- Nutramigen Hypoallergenic Infant Formula with IronEnfamil · Baby FormulaModerate
- HoagiesPlant Based Foods And BeveragesHigh
- Whey Protein Tres Leches1UP Nutrition · Dietary SupplementsHigh
- Amino RecoveryHigh
- Hypoallergenic Infant Formula Powder with Ironup & up · Baby FormulaMinor
- Amino Complex Berry Flavored Amino AcidsThorneMinor
- Parent's Choice hypollergenic infant allergenMinor
