ArticleAn Open-Label Study of the Efficacy and Tolerability of Microencapsulated Hydroquinone 4% and Retinol 0.15% With Antioxidants for the Treatment of HyperpigmentationAuthor:Hamilton SFPublish date: April 1, 2008 Hyperpigmentation describes areas of the skin with increased melanin content, when the pigmentation is darker than the healthy surrounding skin.Read More