However, while hydroquinone developed a bold reputation for skin lightening intimately tied to colourism, it has also been exposed to overuse leading to medical complications such as ochronosis ...

Turner. “There’s also a more worrisome side effect of hydroquinone use known as exogenous ochronosis,” he adds. Exogenous ochronosis is a type of skin coloration where the skin darkens and ...

Hydroquinone ... skin. Avoid eyes, ears, mouth, angle of nose, mucous membranes, sun, UV light. Skin types V and VI (possible undesirable excessive bleaching). Discontinue if ochronosis, chemical ...