Hydroquinone

Hydroquinone 4% remains one of the most effective topical treatments for hyperpigmentation, including melasma, post-inflammatory hyperpigmentation, and sun spots. However, while many patients expect rapid results, improvement is gradual and depends on several clinical factors. How Quickly Does Hydroquinone Work? Hydroquinone reduces melanin production by inhibiting tyrosinase activity. While biochemical changes begin early, visible results…