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This is an accepted version of this page This is the latest accepted revision, reviewed on 28 January 2025. "Skin pigmentation" redirects here. For animal skin pigmentation, see Biological pigment. Extended Coloured family from South Africa showing some spectrum of human skin coloration Human skin color ranges from the darkest brown to the lightest hues. Differences in skin color among ...
Decreased exposure of the skin to sunlight is a common cause of vitamin D deficiency. [1] People with a darker skin pigment with increased amounts of melanin may have decreased production of vitamin D. [3] Melanin absorbs ultraviolet B radiation from the sun and reduces vitamin D production. [3] Sunscreen can also reduce vitamin D production. [3]
Melanism is the congenital excess of melanin in an organism resulting in dark pigment. Pseudomelanism, also called abundism, is another variant of pigmentation, identifiable by dark spots or enlarged stripes, which cover a large part of the body of the animal, making it appear melanistic. [2]
Best sunscreens for dark skin tones 2023, according to dermatologists. ... MELE Sunscreen Oil For UV Protection No Shade SPF 30 Blends In Without a Trace 1 oz, White (AMAZON) ... 90% of visible ...
There is deficiencies in around 80%, particularly in dark skinned and or veiled populations. [10] The prevalence of vitamin D deficiency amongst those with dark skin, or those who cover their skin for religious reasons, can be directly attributed to extremely low sun exposure, which is the main source of vitamin D in Australia.
These ingredients create a physical barrier between your skin and the sun and protects against longer wavelengths of light, like the long-wave UVA light and visible light that tend to make melasma ...
Antioxidants: Free radical damage (which you can get from sun exposure) is a known cause of skin pigmentation disorders, including melasma. Antioxidants, like niacinamide and retinol (vitamin A ...
This accounts for the fact that dark-skinned people get visibly darker after one or two weeks of sun exposure, and then lose their colour after months when they stay out of the sun. Darkly-pigmented people tend to exhibit fewer signs of aging in their skin than the lightly pigmented because their dark skin protects them from most photoaging. [43]