Sitemap A study by the University of Capetown in South Africa stated that one-third of South African women bleach their skin. These treatments are not cheap and cost the equivalent of $590 per session for the high-end products used in the process. But there is a thriving black market of cheaper products that are used by the poor that are causing the issues. Although there are no official statistics of the global bleaching of skin, the World Health Organization revealed the following  African countries with the highest use of skin bleaching products: