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 2456FAQ’sRelated Knowledge Base Posts -What is 5% Lactic + collagen used for? What is the application process?I have heard that peptides cannot penetrate the cell without a carrier, is that true?After using PEPTI-correct HP, will the client have sun sensitivities due to the loss of melanocyte?