Nasal Tanning Spray Just Stay Away Vanguard Skin Specialists Melanotan 1 (10 MG) Sigma Compounds Melanotan vs. Astaxanthin for Glowing Skin Tanning from the inside out = Highly Dangerous and Illegal! Many products advertised on social media platforms promising a tan from the inside out or a tan without sun such Peptides for tanning do exist. Melanotan 1 and Melanotan 2 both work at increasing melanin in the skin. Melanotan 1 takes longer to activate. Melnotan 1 is FDA approved. Melanotan 2 does Melanotan What It Is and Its Relation to Skin Cancer