Davin Lim, MBBS, FACD - Account Suspended says:Chemical peels, by nature are irritants. Whether I use Lactic acid, Glycolic, TCA or Vitamin A peels, I always stop the HQ 4-5 days BEFORE the peel, then recommence the HQ 7 days -10 days later. If you have an allergy to HQ, you can test this by placing a tiny bit on your inner arm.....if...