The key is to get the texture right - a blunt cut with a few long layers will allow the hair to move." Cocking suggests creating volume at the roots with Clynol Massive Volume Spray (£8.25, Salon-collective.co.uk) or Kerastase Nectar Thermique (£17.50, 0800 316 4400) and follow with Shu Uemura Liquid Fabric Spray (£21.50, Shuuemuraartofhair.com).