colour
(n. a.) (n. d.). Black hair [photo]. Retrieved from https://goo.gl/pDe60C
(n. a.). (2016). Brown hair [photo]. Retrieved from https://goo.gl/IAVmiJ
Pulitzer, D (2013). Red hair [photo]. Retrieved from https://goo.gl/NEeMcJ
Merriam, L. (2009). Blond hair [photo]. Retrieved from https://goo.gl/AZ7KmE
Alès, P. (2014). Gray hair [photo]. Retrieved from https://goo.gl/famzha
Depolo, S. (2011). White hair [photo]. Retrieved from https://goo.gl/EpVRkb
Strotheide, G. (2009). A mustache [photo]. Retrieved from https://goo.gl/h7iRFF