Yes, It is safe. It is food coloring and made for consumption, but... it will stain his skin. Have you ever gotten food coloring on your fingers or hands and its hard to get off?
When I'm coloring fondant, I rub my Crisco all over my hands & fingers and this makes it easier to remove. Don't know if you could do that to his scalp before spraying.
Why don't you do a little test strip like when coloring your hair with regular hair dye? Just a thought,
Virginia 323.253.8213www.urbanainez.comHe is the man of my dreams, my prince; He gives me the desires of my heart, He completes me. His name is Jesus
Virginia 323.253.8213www.urbanainez.comHe is the man of my dreams, my prince; He gives me the desires of my heart, He completes me. His name is Jesus