Isoleucine

Isoleucine

AKA “l-isoleucine, 73-32-5, (2S, 3S)-2-Amino-3-methylpentanoic acid, 2S, 3S-Isoleucine, (S)-Isoleucine, (S, S)-Isoleucine, 2-Amino-3-methylvaleric acid, erythro-L-Isoleucine, L-Ile”

Skin Conditioning

Ingredient Facts

Isoleucine

AKA: L-isoleucine, 73-32-5, (2S, 3S)-2-Amino-3-methylpentanoic acid, 2S, 3S-Isoleucine, (S)-Isoleucine, (S, S)-Isoleucine, 2-Amino-3-methylvaleric acid, Erythro-L-Isoleucine, L-Ile

Skin Conditioning · Antistatic · EWG: 1

Synthetic

Skin Conditioner

Hair Care

Amino Acid

Clean

L-Isoleucine; DL-allo-Isoleucine; 2-Amino-3-methylpentanoic acid

Effective at 0.04%

Solubility 34400

Formula

C6H13NO2

Mol. Weight

131.17

CAS #

73-32-5, 443-79-8

Form

Powder

State

Waxy shiny solid; [Merck Index] White solid; [Sigma-Aldrich MSDS]

See origin →

Functions

Antistatic

Hair Conditioning

A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.

Skin Conditioning

A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.

Locks in moisture

Traditional Use

Essential amino acid identified in the early 20th century. Historically used in skincare formulations primarily for its protein-supporting properties, though not traditionally applied topically in cosmetics.