There are approximately 100,000 Hairs present on the human Head. If your Hair were placed end to end they would make a line of 12.7 km. approximately. A Single Hair is capable of holding 100 gm. of weight.
Hair is constantly under attack - from water, sun, brushes, combs and various kinds of rubbing, all capable of producing damage. Fortunately, the amazing design of its outer envelope, the cuticle, offers excellent protection. But however resilient this may be, hair does get damaged.
Hair Structure: Hair is made up of strong structural protein called Keratin. This is the same kind of protein that makes our nails and the outer layer of skin.
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