POWER AND SYRED / SCIENCE PHOTO LIBRARY POWER AND SYRED / SCIENCE PHOTO LIBRARY
Human hair shaft with split ends, coloured scanning electron micrograph (SEM). This can be caused by overheating the hair using curling tongs or hair straigheners, as well as chemical dyes, back combing and over brushing. Hair straighteners can get so hot that the moisture inside the hair shaft can reach boiling temperatures, leaving the hair seriously damaged. The cuticle or scales which cover the outside of each hair shaft can be stripped off. The hair will become brittle, dry and frizzy causing breakages along the shaft. Magnification x111 at 10cm wide.
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