Selected chemicals associated with contact/occupational vitiligo

Most potent phenol/catechol derivatives

Monobenzyl ether of hydroquinone
Hydroquinone (1,4-dihydroxybenzene; 1,4-benzendediol; quinol;
p-hydroxyphenol)
p-tert-Butylchatechol
p-tert-Butylphenol
p-tert-Amylphenol

Additional phenol/catechol derivatives

Monomethyl ether of hydroquinone (p-methoxyphenol); p-hydroxyanisole)
Monoethyl ether of hydroquinone (p-ethoxyphenol)
p-Phenylphenol
p-Octylphenol
p-Nonylphenol
p-Isopropylcatechol
p-Methylcatechol
Butylated hydroxytoluene
Butylated hydroxyanisole
Pyrocatechol (1,2-benxenediol)
p-Cresol

Sulfhydryls

B-Mercaptoethylamine hydrochlorie (cysteamine)
N-(2-mercaptoethyl)-dimethylamine hydrochloride
Sulfanolic acid
Cystamine dihydrochloride
3-Mercaptopropylamine hydrochloride

Miscellaneous

Mercurials
Arsenic
Cinnamic aldehyde
p-Phenylenediamine
Benzyl alcohol
Azaleic acid
Optic preparations
Eserine (physostigmine)
Diisopropyl fluorophoshate
Tio-tepa (N, N’, N”—triethylene-thiophosphoramide)
Guanonitrofuracin
Systemic medications
Chloroquine
Fluphenazine (prolixin)