What causes freckles to suddenly appear?

What causes freckles to suddenly appear?

The formation of freckles is caused by exposure to sunlight. The exposure to UV-B radiation activates melanocytes to increase melanin production, which can cause freckles to become darker and more visible. … It is suggested that people whose skin tends to freckle should avoid overexposure to sun and use sunscreen.

Can a freckle just appear?

Freckles are small, harmless marks that appear on the skin. Genetics and sun exposure are the primary causes of freckles. … If a person is genetically more likely to develop freckles, exposure to sunlight can make them appear. Freckles are common in children and may disappear or become less noticeable as they grow up.

How can I get freckles without sun?

To get freckles, first try spending some time in the sun to bring out any natural freckles you might have. If that doesn't work, pick out an ash brown eyeliner that's 2 shades darker than your eyebrows. Then, use the pencil to dot small freckles across the bridge of your nose and on the tops of your cheeks.