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 pigment with Is Vitamin C Good for Lips? Unveiling the Benefits for Your Pout Bubs Naturals Melanotan I Pigmentation Signaling & UV Response Modulator No, you don't need the 'Barbie drug' to tan, whatever TikTok says. Here's why melanotan II is so risky