Multiple choice Which of the following pigments imparts pink to red colours to hair? Benzothiazine Eumelanin Pheomelanin Neuromelanin Reveal answer Fill a bubble to check yourself C Correct answer Explanation Pheomelanin is found in hair and skin and in both the lighter-skinned humans and darker skinned humans. Pheomelanin imparts a pink to red hue and, thus is found in particularly large quantities in red hair.