Hair was an important indicator of one’s health. As colouring, dyeing and perming hair became more common, hair care
was essential for keeping the health of human hair and the use of coconut oil for hair became more known. This research
focused on the physical-mechanical property and the micromolecular structure of hair, tested by tensile strength tests and
microscope observations 12 hair samples, half had been chemically treated and half not, were taken for maximum force,
breaking force, maximum extension and cuticle smoothness. The tests were repeated after coconut oil treatment. It was
found that chemically treated hair may have been damaged on its cuticle and coconut oil may have some protection for
hair.
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