Do you have a suggestion for the removal of oil on the skin for preparation of a facial? Neutral Cleanser or Gel Cleanser Last Update: October 19, 2018 October 19, 2018 2153FAQ’sRelated Knowledge Base Posts -Can you explain why Viktoria DeAnn peptide serums can’t be mixed before application?What is the shelf-life of your products?How is it that PEPTI-lift and PEPTI-tone have the same ingredients but different functions?