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. Melanotan 2 Tanning Nasal Spray 2021 Does it work? Side effects? My review. Melanotan 1 vs 2: Safety vs Potency (2026) The Peptide Catalog There are two peptides people talk about for tanning: Melanotan 1 and Melanotan 2. Melanotan 1 works slower and mainly targets the skin, leading to a more gradual and even increase in