It’s not hard to predict which sweater or scarf will be itchy when you see fibres under the microscope. Here are a few details about the significance of the scales that you can see and the absence of them, on protein, plant, and synthetic fibres. Protein Fibres Animal fibres have scales that protrude; the larger…

via Fibres Under The Microscope – What’s Itchy? What’s Not? Why? — Knits From The Woodlot

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