Kiehl’s is doing buy one get one free on select products! This includes my favorite vitamin c serum!! You get two for the price of one! Plus, sign up for their freee rewards program and get 15% your first order and earn points for every dollar you spend- redeemable for cash!! beauty skincare vitaminc serum kiehls holiday LTKsalealert LTKbeauty LTKHoliday