As soon as you get your new pair of Dr Martens home treat them with the Wonder Balm that is packaged with the boots. Even if you are planning to spit shine them to get that army look. Wonder Balm has been specifically made for Dr Martens and is designed to protect the specific leather that Dr Martens boots are made from.
Achieving an army style shine on your Dr Martens requires about 90 minutes of spit polishing. Later the area that you want shined up in a thick layer of paste polish. Allow it to dry for at least 10 minutes. Take a soft, smooth cloth, that is ideally made of cotton and wrap it around your index finger. Smooth it out so that there are no lumps or bumps in it. Dip that finger quickly into some water, the cloth needs to be wet through, but not dripping. You need a smooth surface that is one layer deep, so that you can apply the right amount of pressure. Buff the polished area using small circular motions. Once you have done all of the panel, using your dampened finger cloth apply another thin layer of polish. Rub this off with small circular motions. Keep adding thin layers of polish and rubbing them off until your boots are shining like mirrors.
If you want to get the most out of your Dr Martens, then it is essential that you clean and polish them on a weekly basis. They will also greatly benefit from being treated monthly with more Wonder Balm, which you can order from Dr Martens.
If your boots get soaking wet be careful about how you dry them out. The temptation is to put them near a heater to speed up the drying out process. This is the worst thing that you can do. Leather needs to dry out slowly, but thoroughly. Drying leather boots with direct heat will leave them prone to cracking and hardening.
If you put a bit of effort into caring for your Dr Martens they will look good for many years. The leather used in Dr Martens is of good quality, but does need to be fed properly to last.