FMCG giant Unilever has announced that it has signed an agreement to acquire haircare specialist Living Proof for an undisclosed sum. Describing Living Proof as an “innovative premium hair care business renowned for solving hair problems through the use of breakthrough science”, Unilever said that the firm would be added to its own Prestige portfolio, which includes brands such as Dermalogica, Kate Somerville, Murad and REN. Living Proof is described as having …