Freckles are clusters of concentrated melaninized cells visible on fair skin. They form when UV-B radiation activates melanocytes to increase melanin production. Most common on skin tones 1 and 2, especially North Europeans. Can appear on any sun-exposed skin, especially face
Freckles (ephelides) are genetic skin patches that appear around age 2-3. Ephelides can fade with age and are usually 1-2mm in diameter. Solar lentigines (age spots) appear after age 50 and don't fade. Sun exposure can darken freckles, especially in light skin
Melanin is a pigment produced by melanocytes in the skin. It determines skin, hair, and eye color. Melanin protects DNA from UV radiation. Melanocytes produce two types: eumelanin (brown/black) and pheomelanin (red/yellow)
Early form of skin cancer affecting outer skin layer. Main symptom is red, scaly patch with clear edges. Usually appears on exposed areas like legs, neck and head. Can be itchy but not always
Moles are skin imperfections composed of melanocytes, appearing flat or raised. Moles can be tan, brown, black, red, purple, or skin-colored. Most moles are smaller than a pencil eraser
Freckles are harmless melanin spots on skin, typically 1-2mm in size. They appear on sun-exposed areas, especially face, neck, and arms. Freckles can vary in color from reddish to black, becoming darker with sun