Depigmenting agent of choice in in treatment of dermatological disorders is -

<p>DEPIGMENTING AGENTS:- Include agents like hydroquinone(2%-5%),azelaic acid (10%-20%), glycolic acid (6%-12%) and monobenzene. They act by inhibiting tyrosinase enzyme. Hydroquinone is most commonly used.It can be combined with steroids and retinoids in the treatment of melasma. Kligmans regimen- 5% hydroquinone+0.1% tretinoin +0.1% hydrophilic ointment. Newer agents-Arbutin and kojic acid.They lighten hyperpigmented patches. Used in melasma, freckles. {Reference: IADVL textbook of dermatology, vishalakshi Vishwanath pg no.379}</p>