Whites tanning is racial appropriation?

mamí 🌹🇵🇷
Personally I find it as "racial appropriation" minorities produce "melanin" a pigmentation that darkens the skin this pigmentation comes in all shades of browns to black. It's not developed by a "tanning lotion" it's natural also develops naturally. A pure white person doesn't have melanin exactly why they call "red people" they burn they don't get tan due to a lack of pigmentation. Now those whites who do develop a tan naturally without tanning products have some pigmentation in them, this is why whites should really test, some will be surprised to know they're not "pure" white. But to me whites tanning is racial appropriation. Here in America being a minority it's problematic especially the darker you are, yet whites can tan it's "fine" when tanning just a stain on skin it's not real melanin but the point of tanning to be darker the irony here. Anyone else agree ? Even if you don't IDC it's the truth be mad.