When it comes to tanning peptides, there are two main options: Melanotan 1 and Melanotan 2. Melanotan 1, also called afamelanotide, is FDA approved for a rare light sensitivity condition and works Melanotan II PERMANENTLY Darkened My Skin! Melanotan Tanning Peptides: Safe Use, Side Effects & How It Works Scientifically Melanotan 2 doesnt just stimulate melanin in your skin, but your hair follicles aswell .. my beard is about 80% darker today, than a month before I started taking melanotan. Guys with premature