Toners are the first step to preparing your skin for the next steps in your simple or extensive routine. Choose a toner like the Cosrx AHA BHA toner or Cosrx One Step Clearing Pad, to prep your skin as it balances the PH before you use exfoliants like Cosrx AHA Whitehead Power Liquid or Cosrx BHA Blackhead Power Liquid or the Dr Ceuracle Blue One, or simply choose them for a boost of hydration or start your treatment at this stage itself!