http://www.sothys.co.nz/index.cfm/1,126,0,0,html Uneven, hyper-pigmented zones in the skin are a direct result of the skin’s ageing arising from an altered function of the melanin producing pigment cells (melanocytes). Melanin synthesis has been studied extensively by SOTHYS scientists. http://www.sothys.co.nz/img/logo.gif http://www.sothys.co.nz/index.cfm/1,126,0,0,html Sothys 60 en