Six ways to have a great hair day

Unlock the Editor’s Digest for free

Roula Khalaf, Editor of the FT, selects her favourite stories in this weekly newsletter.

An influx of innovative hair treatments now promises to promote thicker and more lustrous locks. Choose from easy-to-apply glosses that give the much admired “glass hair” effect, micro-extensions that will perfect the shape of a cut, or curl aids that will promote your natural waves. Says celebrity stylist Sam McKnight, “great hair is a powerful mood booster: it…