How many times a hair must be pulled so that the follicle become damaged. After 3-4 times of pulling the hair can grow back?

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I don’t know the answer to your question, but I suspect it varies with the individual. Patients with trichotillomania pull hairs over long periods of time. Those people who pluck their eyebrows may be able to give us an answer.

Tags: hair pulling, hairloss, hair loss