Best box dyes

Garnier Olia Permanent Hair Colour, £7.49, Sainsbury’s is enriched with conditioning oils that ensure a glossy, silky and healthy finish.

L’oréal Magic Retouch Permanent Root Concealer, £9.99, Boots covers grey roots in just 10 minutes, perfect for when you don’t need a complete overhaul.

Clairol Nice‘n Easy Crème Oil Infused Colour, £6.89, Superdrug is blended with different tones so the end result looks more natural and never flat.

Josh Wood Colour Permanent Colour, £14, Boots, really brings the salon home. The grey coverage is flawless and it comes with a handy stain removing wipe.

Schwarzkopf Live Intense Colour, £6, Sainsbury’s delivers a vibrant result, full of shine and intensity. If you like your colour bold, go with this.