Remember that feeling when you unboxed your iPhone. Didn't it look beautiful? A few months down the line, it probably looks like it's been through the wars.
It's not worth taking your phone to the shop over a few scratches. Here are some simple fixes using staples from your cupboard to get your screen looking tidy again.
For minor screen scratches, non-gel based toothpaste work a treat. Using a cotton bud, dab a small amount on your screen and gently rub in using a circular motion. Wipe away with a soft damp cloth.
Add two teaspoons of baking soda into a cup. Then add one teaspoon of water and stir until you get a paste. using a soft cloth, rub the mixture onto your scratch using a circular motion and remove excess using a new, slightly damp cloth.
If you don't have any baking powder at hand, you can use the above method using baby powder. In addition to removing the scratches, you'll get your phone smelling like a clean baby's bottom too. Bonus.
Replace the screen
If you have a deep scratch the above tips might not be your solution. Your best bet is to get a screen replacement kit from Amazon. You can pick one up for just over a tenner. And this handy tutorial will get it fixed in no time.