red‒green axis, and yellow‒blue axis — but we have not had a technique that quantifies what is happening with the dye in the hair fibre. Using high-performance liquid chromatography on ...

blue and a very unfortunate green I don’t like to be reminded about). I’ve also experimented plenty of times with balayage. But by the time I reached my early-20s, I dyed my hair back to its ...

The officers who processed Nietiosov's complaint deduced that his hair, dyed blue, yellow, and green, symbolizes Ukraine and thus discredits the Russian military. Consequently, they filed a report ...