With a few exceptions, a fully authorized user can perform most of the things the account owner can do. 1) Add, cancel, or renew lines. 2) Add, change, or remove an account password or authorized user. 3) Change numbers.
You will get different results when you add micas to colored verses non-colored soaps. Having a background color enhances the effects of the mica. To add mica powder to a liquid formulation, first disperse the mica in a small amount of oil and then add the colored oil to the batch once all the clumps are broken up.
What can you use other than green soap on the skin when you tattoo someone? Any sort of antibacterial soap works fine such as Dial or Provon. I know a lot of artists who love to use Dove soap as well.