Powders are particularly good for highlighted hair or those with an unsteady hand, says Zoe Irwin. ‘I like using the ColorWow Root Cover Up in Blonde. I load the colour onto the brush and turn it on its side. That way I can literally paint in skinny highlights.’ verifyErrors }}{{ message }}{{ /verifyErrors }}{{ Wood's Root Markereven comes with a small brush to help you distribute the colour. 'So if you go a bit heavy in places this helps you to blend it out.’

Tinted dry shampoos are virtually a 3-in-1 product: they cover roots in an instant, add volume and are perfect for refreshing 2 nd-day hair. ‘On dry hair, simply spray along the parting and rub it in with your finger,’ says Wood. While visible roots are hardly top of our Coronavirus concerns, that badly done balayage effect can make you feel upended.