Brown spots, lentigos and freckles Dermatologists from @HealthySkin4All say using melanotan 2 is "dangerous" and the only safe tanning method is using fake tan. They're now on the alert for patients presenting with warning signs "an unusually Sun Spots vs Freckles on Dark Skin What's the Difference? BGS Freckles develop when specific skin cells produce extra melanin in response to sunlight. When ultraviolet rays reach the skin, melanocytes release melanin to protect deeper layers from damage. In some people, certain I accidentally undid years of skin work and didn't realize it until it was too late. At the beginning of November, I started taking melanotan 2 and honestly? I loved it. Treating freckles and pigmentation Hope Dermatology