Well from what I found is that the oxygen absorbing treatment is a applied chemical that starts doing its job once it gets wet. So from what I found you don't want to use a oxygen cleaner fist off and others say that you can boil or use Star san but don't soak. Just dip the amount needed for a few seconds then cap. I haven't found anyone so far that had bad results. I seems like even if you did boil them too long or soak them too long just the oxygen absorbing chemical you be used up but the cap would still be a cap! So it seems like everything else in brewing its debatable and up to you in the end.
