Is Your Hair Fine, Medium, or Coarse? How to Measure
Is your hair fine, medium, or coarse? It's not always easy to tell. Healthy hair and dry, environmentally-stressed hair may feel and look very different. You may think your hair is coarse (wide) when it really has some fiber twists and bends (kinking) or is "medium." Dry hair is often described as "coarse" feeling because it feels rough. ©Science-y Hair Blog 2013 Measuring is the best way to find out what the dimension of anything actually is. Hair is measured in microns. There are 1000 microns in one millimeter. ©Science-y Hair Blog 2013 Hair Diameter Categories: ©Science-y Hair Blog 2013 Fine hair: Less than 60 microns (16 or more hairs per millimeter) Medium hair: 60-80 microns (12 to 16 hairs per millimeter) Coarse or wide hair: 80 microns or greater (fewer than 12 hairs per millimeter) To do this test, you need about 20 hairs which you have shed, and a metric ruler. How to choose your sample: We're assuming that hairs you've shed while washing or ...