Amy Dowden has asked fans for help amid her 'painful' hair loss during her ongoing cancer battle.The Strictly Come Dancing star reached out to her 483,000 Instagram followers as she asked for advice on what to do about her "painful" and "sore" scalp and head. She recently revealed that her second round of chemotherapy treatment has had a "heart-breaking" effect as she has started to lose her hair.The professional dancer, 33, announced in June that she had undergone a mastectomy after discovering that she had stage three breast cancer.