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A human hair magnified by 2500x using an electron microscope.
Photo Credit: Fabiano Emmanuel Montoro/LNNano, CNPEM (Adapted)
Hair is an organ, just like your heart and brain
The hair we see and style, also known as the hair shaft, is one part of an intricate structure that starts deep in the dermal layer of the skin.
The shaft grows out from the root, which is also known as the hair follicle.
Each of these parts provides important functions of hair.