Some people think freckles are beautiful, while others try all sorts of strange ways to try to get rid or hide them. The dark marks are related to the uneven pigment in the skin and pale people with red hair are more likely to have them. But scientists still don’t know why some people get freckles, or why some people have more freckles than others.‘Freckles are small dots on the skin that contain high amounts of melanin,’
Hank Green, host of a US-based YouTube channel SciShow, said in a recent video how freckles form.Melanin is the protein that’s responsible for pigmenting our skin,
eyes, and hair. It is produced by specialized cells called melanocytes. These cells respond to sunlight, which darkens the skin and creates a protective layer that partially blocks UV rays.
People without freckles have an even spread of melanin across their skin. But in those with freckles, melanin is produced in little clumps which get darker when exposed to sunlight. They also become fainter when there’s less sunlight.
