Hello - I am still fairly new to oil painting and having problems with a black background.
I started this painting a couple of months ago and left it aside as I didn't have time to focus on it. I originally used Norma Professional Ivory Black on it. When I went back to the painting two months later, the black was very shiny and I didn't like it (it detracted too much from the hand which is matt). I went over the ivory black with Langridge Mars Black (I no longer use Norma - don't like it - I love Langridge). Now that the black has dried, it has a very mottled affect. Any suggestions as to why this may have happened?
Thought best to ask before I go over it with Langridge Mars Black again in an effort to even it out, and continue working on it.
Fyi - I don't use any mediums or Gamsol etc. There is only oil paint on the canvas.
Many thanks in advance for your help!