More celebrities are embracing grey hair. For other women, it can come at a cost

Olivia Colman unveils her new silver look on the red carpet at the Zurich film festival. Photograph: Andreas Rentz/Getty Images for ZFF

To dye, or not to dye. That is the decision many people, particularly women, face when their hair starts to grey.

This week Olivia Colman joined the growing ranks of women embracing grey hair and ditching the dye. Appearing at Zurich film festival, Colman had swapped her dark signature pixie cut for a grey, curly mane swept to one side.