An autoclave is generally considered to be the only form of sterilization appropriate for a body modification studio, although some low-volume home studios may use chemical sterilization.
So when you go in to get a piercing, they don't typically use solution to sterelize anything, they only use the autoclave.
Cleaning can be achieved by first putting your tools in a ultrasonic with proper cleaning tablets or Alconox and scrubbing them at least once during the ultra sonic cycle.
What is an ultrasonic? Are they in every shop, or do only certain shops have them?
While bleach is far a more powerful anti-microbial agent than alcohol, bleach kits often don't kill Hepatitis, and sometimes don't even kill the AIDS virus
The CDC (center for disease control) has permitted boiling of needles and medical tools for an hour in extreme cases in areas where autoclaves and other more functional methods are not available.