Hydroquinone works as bleaching agent for skin and works as skin-lightening agent.
Gold precipitate from aqua regia solution using hydroquinone. It was so simple and attaining 99.99% purity after firing was an incredible delight. Refining the silver chloride left over from the solution was a little more of a chore but I got to within 80%.
Benzene-1,4-diol or quinol, is an aromatic organic compound that is a type of phenol, a derivative of benzene.