Young Brunette Girl With Body Painting Shows Off On The Floor

Use in military
It is common in militaries all over the world for soldiers in combat scenarios to paint their faces and other exposed body parts (hands, for example) in natural colors such as green, tan, and loam for camouflage purposes.
Use in professional wrestling
Many professional wrestlers paint their faces as part of their costuming. Examples are The Ultimate Warrior, Road Warrior Animal and his tag team partner, Road Warrior Hawk, and Doink the Clown.