Yes it is safe but becareful: if your hair is fair and damaged the colour might not all wash out.
Sweetheart, all countries except Siberia have food colouring.
Pink food colouring of course! and blue food colouring because there's blue cotton candy too
No. Food colouring is just a way to colour your food. It does not give off flavor.
Yes, food colouring mixes into water and will become uniform.
no iceing is not the same it is better
mix it with water
no
it can make it a color ex frosting plan if you put food colouring then mix you can make it any color you want
Blue and red colouring
By diffusion.
From food colouring