Still hankering after that golden glow? Sorry to tell you, but all tans are not created equal. Human skin has two main types of pigment – eumelanin and pheomelanin. Under the sun, fair skin generates more pheomelanin – a reddish, yellow-brown tone, while dark skin makes mainly eumelanin, a black-brown melanin – the best quality for natural UV-protection. Pheomelanin is …