Product Question] The Ordinary is launching a new Growth Factor serum in January, thoughts? : r SkincareAddiction Recombinant Human LR3 IGF I IGF 1 GMP Protein, CF 8335D GMP: R&D Systems IGF 1 Penis Growth: What the Evidence Actually Shows IGF 1 vs. HGH Which is Better for Growth and Fat Loss? HRT IGF1 LR3 Peptide Anderson Longevity Clinic Localized Igf 1 transgene expression sustains hypertrophy and regeneration in senescent skeletal muscle Nature Genetics