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GlossaryTrichorrhexis Nodosa

hair shaft disorder causing weak points and easy breakage

Trichorrhexis Nodosa is a hair shaft disorder characterized by the presence of weak points or nodes along the hair strand, leading to easy breakage and split ends. This condition can be caused by genetic factors, physical or chemical trauma to the hair, or underlying medical issues, and it often results in hair that appears frayed or uneven.

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research Trichorrhexis Nodosa: Study on Hair Involvement and Trauma

40 citations, November 1966 in “Archives of Dermatology”

Trichorrhexis nodosa is mainly caused by hair trauma and improves with gentler hair care.

research Ceramic Flat Irons: Improper Use Leading to Acquired Trichorrhexis Nodosa

34 citations, December 2009 in “Journal of the American Academy of Dermatology”

Improper use of ceramic flat irons can cause severe hair damage.

research Trichorrhexis Nodosa Secondary to Argininosuccinicaciduria

33 citations, January 2007 in “Pediatric dermatology”

Hair thinning and loss in a girl with a rare metabolic disorder was linked to her condition.

research Clinical Response of Alopecia, Trichorrhexis Nodosa, and Dry, Scaly Skin to Zinc Supplementation

22 citations, December 1992 in “The journal of pediatrics/The Journal of pediatrics”

Zinc supplements improved hair and skin conditions in two patients.

research Trichorrhexis Nodosa After Hair Transplantation: Dermoscopic, Pathologic and Electron Microscopy Analyses

9 citations, November 2013 in “Dermatologic Surgery”

Hair transplant complications were likely due to deep graft placement and rough handling.

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community Does low HGH leading to hairloss?

in Research/Science 12 upvotes 10 months ago

The user experiencing diffuse hair loss is using various treatments including RU58841, finasteride, minoxidil with tretinoin, anti-hair loss shampoo, and microneedling, and is considering adding peptides TB500, BPC157, and GHK-Cu. They have low growth hormone levels and are questioning its impact on hair loss, while another user suggests androgenic alopecia and androgens are likely the main cause of hair loss.