Originally Posted by Membrain

Yes, but you must have a disclaimer in plain sight. This includes recolors.

Originally Posted by hanz0

Do NOT sell the same or very similar textures to multiple people without their knowledge and consent. This includes re-colors!
If selling multiple variations of the same head texture/body textures/art piece, you must have a disclaimer in plain sight. This disclaimer should say something along the lines of:

By bidding on a set you acknowledge that other variations of the same set may be sold and worn by other people.