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  2. This Chronic Skin Condition Is A Common Cause Of Dark ... - AOL

    www.aol.com/lifestyle/chronic-skin-condition...

    Your doctor may suggest taking a low dose of melatonin because it inhibits tyrosinase (an enzyme in our skin that helps produce melanin), reducing pigment production, says Dr. Charles. Dr.

  3. Skin whitening - Wikipedia

    en.wikipedia.org/wiki/Skin_whitening

    Several chemical substances have been found to be effective in skin whitening, but some have been proven or suspected to be toxic. This includes compounds containing mercury, which can cause neurological and kidney problems. [99] These products also contain collagen, which can be harmful to the skin. It is present in day creams and beauty masks.

  4. Melanin - Wikipedia

    en.wikipedia.org/wiki/Melanin

    Melanin is brown, non-refractile, and finely granular with individual granules having a diameter of less than 800 nanometers. This differentiates melanin from common blood breakdown pigments , which are larger, chunky, and refractile, and range in color from green to yellow or red-brown.

  5. Human skin color - Wikipedia

    en.wikipedia.org/wiki/Human_skin_color

    Tanning involves not just the increased melanin production in response to UV radiation but the thickening of the top layer of the epidermis, the stratum corneum. [9] A person's natural skin color affects their reaction to exposure to the sun. Generally, those who start out with darker skin color and more melanin have better abilities to tan.

  6. Help! Why Do I Have Gray Hair in My 20s?!? - AOL

    www.aol.com/help-why-gray-hair-20s-162500136.html

    $34.00 at amazon.com. Why you might have gray hair in your 20s: ⮕ What it probably is: Genetics. As mentioned, melanin production will decrease as we age (among the other ~wonderful~ things that ...

  7. Dealing with Weird Dark Patches? Melasma May Be the ... - AOL

    www.aol.com/dealing-weird-dark-patches-melasma...

    Tyrosine in the skin is converted into melanin, which is the pigment that darkens skin by way of an enzyme called tyrosinase. Vitamin C inhibits that enzyme so less melanin is made so the skin ...

  8. Leucism - Wikipedia

    en.wikipedia.org/wiki/Leucism

    Albinism results in the reduction of melanin production only, though the melanocyte (or melanophore) is still present. Thus in species that have other pigment cell-types, for example xanthophores, albinos are not entirely white, but instead display a pale yellow color.

  9. How to Get Rid of Wrinkles (and What Really Causes Them) - AOL

    www.aol.com/rid-wrinkles-really-causes-them...

    In general, wrinkles are caused by slower cellular turnover (aka slow skin cell growth) and less collagen production. These things happen due to aging, facial expressiveness, genetics, and ...