A model with vitiligo says people ask him if his skin is a "Halloween costume" - or if he was "burned in a fire".<br /><br />Yvesmark Chery, 27, developed the autoimmune disorder - which causes patches of skin to lose pigment or color - aged four.<br /><br />He got into modelling after being encouraged by an ex - and is now living in Paris and working for top brands like Tommy Hilfiger, Balmain, and Gucci. <br /><br />Yvesmark says people often ask him about his vitiligo - which he describes as a bit like a "tattoo".
