Bleach Drawings

Bleach drawings :) Elaine suggested painting on black on black, so that the drawing would appear vague and the observer would have to look closer to pick out the details. So tried it out using black duct tape on black card. Looked something like this:



Decided to use some other materials. So got some cooking oil and applied it to the black card allowing it to dry. It left an oily residue on the page that is barely visible at first glance but when held up to the light becomes tranparent. Tried egg white as well. Results below:


At first glance:


Held up to the light :)


they can be seen more clearly...