Melanotan Tanning Peptides: Safe Use, Side Effects & How It Works Scientifically 14 Days on Melanotan 2! , Taking like 30 50mcg daily , I feel its not bad considering we have had BARELY ANY SUN AT ALL , Probably only about 5 hrs of being in the sun total since starting. , No, you don't need the 'Barbie drug' to tan, whatever TikTok says. Here's why melanotan II is so risky You Should Avoid Using Nasal Tanning Sprays