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 2614FAQ’sRelated Knowledge Base Posts -Why do I sometimes see crystals in PEPTI-lift?Would our peptides interfere with chemotherapy in any way?How do you know your peptides are biologically active?