Invisible uv paintthis ""invisible"" uv paint, are actually not 100 % invisible, as it depends on the material applied on. Used on face and body the paint will look similar to sun lotion. When the paint dries up, it will leave a thin white layer on the skin  on surfaces like paper, walls ect the paint will dry up white, and therefore it will be almost invisible on white surfaces or backgrounds.applies to almost all surfaces: skin, fabric, paper, cardboard, wood, walls, but nor suitable for hard surfaces like plast and metal. to be used with uv lights with wavelenght 365 to 410 nm.please notice that the paint will lighten up even more in the nm range 376 to 395