Military manual · MCRP 12-10B.1
MCRP 12-10B.1, page 230
Military Operations on Urbanized Terrain (MOUT)
Marine Corps Reference Publication: Military Operations on Urbanized Terrain (MOUT)
…When issue-type
face-paint sticks are not available, burnt cork, charcoal, or lampblack can be used to tone
down exposed skin. Mud may be used as a last resort because it dries and may peel…