Dark spots, hyperpigmentation, and post-acne marks often need more than basic care to fade. Exfoliants, brightening serums, and vitamin C can help, but some discoloration may persist even with consistent use of highly effective products. In these cases, many turn to targeted solutions such as hydroquinone. Hydroquinone is a chemical compound first identified in the early 19th century and has been used in various applications, including skincare and photographic processing. It