why is vinegar help open wounds?

Question: why is vinegar help open wounds?
- Keywords:
  vinegar,
  wound
Asked by nienie13 to Amy, Sarah, Will on 21 Jun 2012.
- Sarah Martin answered on 21 Jun 2012:
  
  Hi nienie13!
  
  Vinegar is acidic, and may help disinfect a wound by killing germs in it – but so will alcohol and iodine.
  
  🙂
  Sarah

Question: why is vinegar help open wounds?