I'm not sure if anyone else here has tried this, but I recently started peptide injections (CJC 1295 Ipamorelin) with my doctor's approval. This is not a treatment for NF1 itself, but CJC IPA site reaction : r Peptides Peptide injections can sometimes cause redness or itching at the injection site, but most of the time this is not a true allergy. In the skin, we have mast cells that contain Peptide injections can sometimes cause redness or itching at the injection site, but most of the time this is not a true allergy. In the skin, we have mast cells that contain Ipamorelin Peptide Therapy in Florida: The Gentle Path to Recovery & Vitality Florida Surgery & Weight Loss Center