Just for men Original Formula Medium Brown Hair Dye, Restores Colour a Natural Look H35 (Packaging may vary)

Amazon

Just For Men Original Formula restores your original haircolour in just 5 minutes The professional results provide a 100% natural look With keratin, olive oil and vitamin E for strong hair Just For Men Moustache & Beard eliminates grey for a thicker, fuller look Easy brush-in colour that works in 5 minutes

Boots

21 Advantage card points. Just for Men Hair Colourant stays put so there's no mess and no drips. In 5 minutes grey is gone. FREE Delivery on orders over 45 GBP.