Signe Vilstrup At a time when supernatural skin is the ultimate beauty calling card and a 12-step regimen is nothing to bat an eye at, the best toners for dry skin—despite providing a variety of benefits, from shrinking pores to keeping one’s pH balance in check—have yet to shake their reputation of being an unnecessary step. And while there’s justly an uptick in interest in refreshing skin tonics during the warmer months, when an astringent can sop up excess oil to control shine and prevent breakouts, using toner when the temperatures dip is just as essential—if not more. Why? The ...