Injectable and Topical Peptides in Aesthetic Medicine Mechanisms, Clinical Applications, and Future Potential PRIME Journal of the Federal Food, Drug, and Cosmetic Act (FDCA).* New: An FDA decision to place 19 peptides on the unsafe list was supported by numerous documented safety concerns, former officials said. Even though demand for peptide therapies has exploded since then, FDA Peptide Reclassification 2026: What It Means for Providers Tesamorelin Peptide: FDA Approved Benefits, Results Timeline, and Who It's For Perfect B