MARK THOMAS / SCIENCE PHOTO LIBRARY MARK THOMAS / SCIENCE PHOTO LIBRARY
Bull semen hair treatment. Brush and mixing bowl containing hair treatment made from Angus bull semen. The treatment is applied to wet hair and left for 30 minutes before being washed out. The protein-rich semen acts as a hair conditioner, giving the hair added shine. Photographed at Hari's Salon, London, UK.
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