The Substance star Demi Moore has been unveiled as the newest global ambassador for haircare brand Kérastase, following in the footsteps of personalities including Sydney Sweeney, Kate Moss and Emily Ratajkowski.

The American actress commented 'I am truly honoured to join the Kérastase family as their Global Brand Ambassador. My life has been shaped by love, growth, and new experiences – and my hair has been with me through it all... I cannot wait to share my new Kérastase chapter with you all'.