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 3138FAQ’sRelated Knowledge Base Posts -What is the delivery system of peptide/ chelator in PEPTI-correct HP?Do PEPTI-pro-col and PEPTI-correct Hp peel the skin?I have heard that peptides cannot penetrate the cell without a carrier, is that true?