Comfort - aged 15 - was last seen at 2:40pm on Saturday (January 14) in St Helens and has since travelled back to the Greater Manchester area.
Comfort is now believed to be in the Oldham area.
Comfort is described a black female, 5ft 8 tall, medium build, with nose piercings.
She was last seen wearing a black denim jacket, black top, black leggings, cream adidas trainers and also in the possession of a grey jacket.
Officers are becoming increasingly concerned about Comfort and want to make sure she is safe and well.
Anyone with information about Comfort’s whereabouts should contact police on 0161 856 8042 or 101.
