Cameleon Face and Body paint is widely used by professionals. They have bright, bold and unique colours to choose from, most colours in multiple shades.
Use a damp sponge or brush on the surface of the cake, then apply to the skin.
For best removal, use liquid soap without water on a wash cloth. Rub well into the paint to help lift, then rinse with water, Repeat if necessary. Alternatively an oily makuep remover, baby, olive or coconut oil will work well.