Besides PEPTI-correct Hp, what do you suggest for lightening of scar tissue on fair skinned people? Mild or Medium Rejuvenator, PEPTI-repair, PEPTI–pro-col in that order of effectiveness. Last Update: October 20, 2018 October 20, 2018 3234FAQ’sRelated Knowledge Base Posts -Can you explain the chelating agent in PEPTI-correct Hp and why is it beneficial to skin?What is the shelf-life of your products?I have heard that peptides cannot penetrate the cell without a carrier, is that true?