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 Dangerous 'Barbie drug' Melanotan II sparks crackdown on social media influencers ABC News People are injecting a tanning peptide to get darker skin without the sun., Its called Melanotan., It works by stimulating melanin production in the body but regulators have raised serious safety 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, We're addicted to tanning and want to look 'crispy' we'll do anything for darker skin but trolls say we need help