What things can change the armpit biome to a more favorable one? Q&A › Category: Questions › What things can change the armpit biome to a more favorable one? 0 Vote Up Vote Down Anonymous asked 6 years ago Perhaps a weak acid, or Epsom salts? Baking soda? Will anything like this have the potential to completely change an armpit biome? Please login or Register to submit your answer Username or Email Address Password Remember Me