You can get a Free sample kit of John Frieda Precision Foam Colour. There are 5,000 kits available but their page is being hit really hard so hurry over to their Facebook page and claim yours now!
From their page: The day is finally here! Click on the ‘Colour & Protect’ thumbnail above to join the team. PLUS we’ve got 5,000 Colour & Protect sample kits which include a Precision Foam Colour try-me-free certificate and either Sheer Blonde or Brilliant Brunette mini Colour Protecting shampoo and conditioner.