Nas12, have you tried DermaBlend or any other heavy duty makeup?
*sorry for typos! Writing from my phone with Autocorrect :-(
I'm a 29 yr old mixed female, and developed Beckers Nevus when I was 11 during puberty on my upper left shoulder area (below collar bone and on shoulder to where a cap sleeve shirt ends). It was VERY dark (I'm caramel...