The fibers are not weak due to the defect but pseudo monilethrix is more likely to develop in weak thin hair as might be present after chemical bleaching and perming. Pseudo monilethrix can develop as a result of excessive styling, back combing or anything that puts excessive stress on the hair fiber. Usually there is no association alopecia unless the trauma to the hair was so excessive as to break it. Pseudo monilethrix usually develops sporadically but in some cases it can be genetically inherited with an autosomal dominant pattern. Pseudo monilethrix can be found in association with other defects such as trichorrhexis nodosa and bubble hair.
Treatment requires reducing or removing excessive styling and chemical processing.
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