Skin whitening

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Skin whitening, also known as skin lightening and skin bleaching, is the practice of using chemical substances in an attempt to lighten the skin or provide an even skin color by reducing the melanin concentration in the skin. Several chemicals have been shown to be effective in skin whitening, while some have proven to be toxic or have questionable safety profiles. This includes mercury compounds which may cause neurological problems and kidney problems. In a number of African countries, above 25% of women regularly use skin-whitening products. In Asia, this number is around 40%. In India, over 50% of skin-care product sales are attributed to skin-lightening formulations. In Pakistan, where skin lightening products are popular, creams have been found to contain toxic levels of hydroquinone and mercury. Efforts to lighten the skin date back to at least the 16th century in Asia. While a number of agents — such as kojic acid and alpha hydroxy acid — are allowed in cosmetics in Europe, a number...

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