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Melanin is the cause of dark skin tone, age spots, a tan and a freckle.? Melanin is a pigment or what gives the skin its tone.
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The question is what causes increased melanin production or clumps of melanin, such as are seen in age spots and freckles.? We know about many things that cause increased melanin production, which in turn causes skin darkening or tanning.? The cause of clumping is less clear.
What we do know is that age spots, freckles and uneven pigmentation can be unsightly.? We also know that darker skin tends to make a person look older.? Those are problems, but there are solutions.? Understanding the causes can help you understand the solutions and come up with a total skin lightening plan.? So, let?s look at the causes first.
Sun Exposure
The most common cause of increased melanin production is exposure to the sun.? The sun also plays a role in the development of freckles and age spots.? The clumping is believed to occur when melanin-producing cells called melanocytes are damaged by free radicals.? Free radicals are naturally present in the skin, but their numbers and activity increase during sun exposure.
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Source: http://www.akcesoria-kosmetyczne.pl/skin-care/safely-lighten-dark-skin-tone/
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