PT 141 (Bremelanotide) Desire Starts in the Brain. So Does This. in Gilbert, AZ LifeSpann Primary Care & Esthetics Women Sexual Health Peaks Curative The Best Peptide for Erectile Dysfunction: What PT 141 Offers (and Where It Falls Short) Avoid nasal tanning sprays or nasal tanners entirely. These products promise an all over tan without sun exposure but they are unregulated, can be unsafe, and contain potentially risky substances like Melanotan 2. The Amazing Benefits of PT 141 for Sexual Dysfunction What is Melanotan II the drug that the TGA urges consumers to avoid?