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 You Should Avoid Using Nasal Tanning Sprays I accidentally undid years of skin work and didnt realize it until it was too late., At the beginning of November, I started taking melanotan 2 and honestly?, I loved it., My tan deepened Spot the Difference: Are Those Adorable Freckles or Unwanted Age Spots? Blog Face Forward Medical Aesthetics