Hello. My brother has tried one medicine for depigmentation over the face which has hydroquinone, mometasone and tretinoin without prescription. Now he has one black spot on forehead around 3*1 cm because of that drug. What should I do? Do I prescribe hydroquinone alone or what?

Suggestions offered by doctors on Lybrate are of advisory nature i.e., for educational and informational purposes only. Content posted on, created for, or compiled by Lybrate is not intended or designed to replace your doctor's independent judgment about any symptom, condition, or the appropriateness or risks of a procedure or treatment for a given person.