After using PEPTI-correct HP, will the client have sun sensitivities due to the loss of melanocyte? No, there are no sun sensitivities with the PEPTI-correct Hp. Last Update: October 20, 2018 October 20, 2018 2592FAQ’sRelated Knowledge Base Posts -Are your products tested and approved by the FDA?Would our peptides interfere with chemotherapy in any way?Will the PEPTI-nano mask work with LED because of the reflection and can LED penetrate through the mask?