How much products actually contain
12 products state the amountmedian 0.000027%
- under 0.01% 12
- 0.01–0.1% 0
- 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, 141 list it before the 1% line and 487 after it (usually 1% or less).
Products using this ingredient
12 of 620 confirmed · likeliest to carry enough first · See all 620
ElastineAmino Peptide Weak Acid Protein High Nutrition Shampoo Pear & Freesia Scent0.000068% stated
Anastasia Beverly HillsAnastasia Beverly Hills Eye Primer
Summer FridaysSummer Fridays Super Amino Gel Cleanser
OuidadOuidad Get Hydrated Ultra-Moisturizing Splash Mask
PATTERN BeautyPATTERN Beauty Repair360® Leave-in Foam
amikaamika flash | instant shine mask for shiny hair
JVN HairJVN Hair Revive Rapid Repair Bond Gloss
PATTERN BeautyPATTERN Beauty Blow Out Primer
IDRRRestore Treatment
R+CoR+Co CENTERPIECE 10-IN-1 Conditioning Spray
R+CoR+Co CENTERPIECE 10-IN-1 Conditioning Spray - Mini
MoroccanoilMoroccanoil High Shine Gloss Mask
Cosmetic roles
Softens hairHAIR CONDITIONINGReduces staticANTISTATICKeeps skin in good condition (CosIng catch-all)SKIN CONDITIONING
Safety & regulatory references
Reviewed by CIR: Safety Assessment of alpha-Amino Acids as Used in Cosmetics
More data — names, identifiers, properties, test records, literature
Official labels & definitions
JCIA labelling name イソロイシン: 本品は、次の化学式で表されるアミノ酸である。
Source: JCIA labelling names (Japan)
Names & identifiers
ISOLEUCINEINCI아이소류신Korean label name (MFDS standard)イソロイシンJapanese labelling name
- CAS No.chemical registry number
- 443-79-8
- CAS No.chemical registry number
- 73-32-5
- EC No.EU chemical inventory number
- 200-798-2
- EC No.EU chemical inventory number
- 207-139-8
Measured properties
- Appearance
- Dry Powder · Waxy shiny solid, [Merck Index] White solid, [Sigma-Aldrich MSDS]
- Boiling point
- Sublimes at 168-170 °C
- Melting point
- 285.5 dec °C · 284 °C (decomposes)
- Solubility
- 34400 mg/L (at 25 °C) · Glistening rhombic or monoclinic plates from dilute alcohol. Decomposes at 292 °C. pK1 = 2.32, pK2 = 9.76. Solubility in water (g/L): 18.3 at 0 °C, 22.3 at 25 °C, 30.3 at 50 °C, 46.1 at 75 °C, 78.0 at 100 °C /Isoleucine, DL-form/
- Dissociation constant
- 2.37 (at 0 °C) · pK1 = 2.36 (SRC: carboxylic acid), pK2 = 9.68 (SRC: amine)
Values measured on the substance itself, not a specification for a commercial raw material.
Source: PubChem
Related literature
- Fusobacterium nucleatum-Derived Isoleucine Exacerbates Aneurysm by Inducing Ferroptosis in Vascular Smooth Muscle Cells. · 2026
- Safety and efficacy of a feed additive consisting of l‐isoleucine produced with Corynebacterium glutamicum CGMCC 20437 for all animal species (Eppen Europe SAS) · 2024
- Safety and efficacy of a feed additive consisting of l‐isoleucine produced by Corynebacterium glutamicum KCCM 80185 for all animal species (CJ Europe GmbH) · 2021
- Safety and efficacy of l‐isoleucine produced by fermentation with Corynebacterium glutamicum KCCM 80189 for all animal species · 2020
- Exogenous isoleucine and phenylalanine interact with abscisic acid-mediated anthocyanin accumulation in grape · 2019
Linked databases 16
- Australian Industrial Chemicals Inventory (AICIS)
- ChEBI 2 3
- ChEMBL
- China inventory of existing ingredients (IECIC)
- EU CosIng ingredient list 2
- JCIA labelling names (Japan)
- Korea Cosmetic Association ingredient dictionary
- MFDS (Korea) cosmetic ingredient register 2
- NIST Chemistry WebBook 2
- PubChem
- Tlooto literature search 2 3 4 5
- UniChem cross-reference IDs
- US Cosmetic Ingredient Review (CIR) 2
- US EPA DSSTox chemical database 2
- US FDA substance registration (GSRS) 2
- Wikidata 2 3