1. Hot water is used, the hair is easily deformed, and the fiber hair is not easily deformed.

2. Burning The mane has the taste of burning hair and is pinched into powder after burning. The fiber has a burning plastic smell and burns like a knead.

3. The bristles are made into a single dense row without the neatness of the fibers.

4. Look at the scales with a microscope. Hairy scales.

5. Foreign useful staining method and/or solution method identification can be measured with other animal hair impersonation

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