I came close to death using tan jab that killed bride to be Jenna Vickers Freckles and Solar Lentigos Harley Street Dermatology Clinic How to Tell the Difference Between Freckles, Sunspots, and Moles Research Check: can a new drug really protect redheads from cancer? Melanotan What It Is and Its Relation to Skin Cancer 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