Red hair comes from a pigment switch that doesn't work, and the surprising part is that evolution may never have favored it at all. A biologist explains.
IVE An Yujin leaves fans in awe with a striking red hair transformation, showing off her doll-like visuals on social media.
Someone commented that my red hair has to be dyed, so I decided to answer with receipts. In this video I show off my current ...