How to measure the head circumference
Standing or sitting in consultation. Use a soft tape measure to measure the root from the forehead. Pass the head circumference 2CM below the starting point of the head to the circumference of the head, and then add 1-2CM to measure the level above the ears.
Maximum head circumference.
When measuring the hair, moderately tighten the soft tape (but ensure that the head is not pressed by the soft tape) and carry each size to centimeters.
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