We're addicted to tanning and want to look 'crispy' we'll do anything for darker skin but trolls say we need help A white woman who 'identifies as black' has revealed she is planning to 'move to Africa'. Martina Big, 36, who is from Germany, and her husband Michael Eurwen, 38, both inject Melanotan, Martina Big, 36, who is from Germany, and her husband Michael Eurwen, 38, who both injected Melanotan, a synthetic hormone to darken their skin have announced that they are planning to permanently Viral tanning 'Barbie drug' linked to cancer, experts warn