this is old news but you can actually restore the touch up to 80% look but it takes skill & patience.

1.Buff out the scratch area with high grit sandpaper.

2.Clean the area free of oil/dust/moist.

3.Apply putty/fiberglass on said area to fill up the gaps & leave it dry.

4.Sand the puttied area until it's even & smooth using high grit sandpaper.

5.Clean the area & let it dry.

6.Apply primer on the area, let it dry, sand it even and clean the area.

7.Apply color coat using own mixture of lacquer hobby paints, let it dry, sand it even and clean the area.

8.Apply lacquer clear coat (best to use spray) around the area, let it dry, use polishing compound to buff the area smooth.

9.Apply a layer of wax.

by using touch up paints available in the market you will never be able to achieve good results.