MARK THOMAS / SCIENCE PHOTO LIBRARY MARK THOMAS / SCIENCE PHOTO LIBRARY
Bull semen hair treatment, being applied to hair. The hair treatment contains semen from Angus bulls. 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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