Dying your hair at home is never going to offer the same results as a salon job, but if you're on a budget and have resorted to home-colouring, we have a number you might want to type into your Blackberry right now...

If you’ve ever had a home hair dye disaster we recommend you add 0845 601 8129 to your phonebook, ASAP. This life-saving number is Naturtint’s Hair Colour Helpline. Manned at all times by professional hairdressers who can talk you through every step of the colouring process as well as offering you advice on choosing the right shade in first place, it's the easiest way to get a salon-quality colour at home. We wish Lindsay had dialled before going blonde…