Micro Exterior Motion Light How To Reduce The Tiny Scratches On Macbook Aluminum?

How to reduce the tiny scratches on macbook aluminum? - micro exterior motion light

I bought an aluminum MacBook a month ago. Most of the time busy dusting off the screen and the keyboard when I do, but yet there are micro-scratches began to appear on the surface of aluminum ... What should I do? I bought up the Incase sleeve to protect your exterior - I Should something to protect the interior?