
Gwuhfazoid
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This article extrapolates on a study (https://pubmed.ncbi.nlm.nih.gov/24256378/), suggesting that darker pigmented skin is more acidic, making it more antimicrobial, more moisture retentive, and mechanically stronger, along with it's more well known benefit of being more protective against UV rays.
There's also the "Vitamin D paradox", where black people have the best bone health of any race despite having lower levels of vitamin D, because they have a quarter to a third less protein bound to their 25-hydroxyvitamin D, making it more bioavailable, this means that people with darker skin aren't more vitamin D deficient, the only difference is people with darker skin tend to use vitamin D more efficiently.
From my understanding, this all means that there's no real physical downside to having darker skin, it's protective against UV radiation, thus reducing cellular DNA damage, e.g. aging, skin cancer, and collagen break down, retains moisture better, and is physically stronger, all while still allowing sufficient synthesis of vitamin D.
Men also typically have darker skin than women, therefore darker skin might subconsciously signify masculinity and sexual dimorphism.
What do you guys think of using Melanotan II to increase melanin production? Any other melanin increasing compounds you know of? Something oral would be preferable.