Andre Kirlew – who is transgender – was last seen at 1830hrs on Thursday, 12 April in Costa Coffee area of Ealing Hospital.
She is described as black, slim build, 6ft tall and wearing a red wig down to her waist.
Andre is known to frequent Dean Garden, W13 and local parks.
At the time of her disappearance she was wearing a short orange and blue skirt and a thin brown leather jacket. She is also wearing heavy make up with blue eye shadow, bright blue contact lenses with thick black framed glasses without lenses inside.
Andre suffers from bipolar, paranoid schizophrenia and should not be approached by members of the public.
Officers are increasingly concerned for her wellbeing and would urge anyone with information on her whereabouts to call police on 101 or Missing People on 116000 quoting CAD 7278/12APR18.
Photo Met Police UK