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Glossary Hair Cross-Section

shape and structure of a hair strand's cut end

Hair cross-section refers to the shape and structure of a hair strand when it is cut perpendicular to its length. This cross-sectional shape can be round, oval, or flat, and it influences the hair's texture and curl pattern. For example, round cross-sections are typically associated with straight hair, while oval or flat cross-sections are linked to wavy or curly hair. Understanding hair cross-sections is important for professionals in dermatology and cosmetology as it helps in diagnosing hair conditions and tailoring hair care treatments.

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Research

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research Hair cross-sectioning in uncombable hair syndrome: An easy tool for complex diagnosis

7 citations , June 2018 in “Journal of the American Academy of Dermatology”

This article reviews uncombable hair syndrome, highlighting its symptoms, potential diagnosis methods, and the suggestion for biotin supplements, but it reports no new empirical results.

research A Novel Hair Analysis for Trace Elements on Hair Cross Section by Synchrotron Radiation X‐Ray Fluorescence Imaging with X‐Ray Microprobe: Two‐Dimensional Distribution of Lead and Zinc on Smelter Hair

5 citations , January 1997 in “Journal of Occupational Health”

The method effectively maps lead and zinc in hair, aiding understanding of heavy metal exposure risks.

research The Cross-section Trichometer: A New Device for Measuring Hair Quantity, Hair Loss, and Hair Growth

29 citations , March 2008 in “Dermatologic Surgery”

This study developed a prototype device that suggests potential for diagnosing changes in hair quantity, diameter, and density, though formal clinical studies are needed to confirm these findings.

research A cross‐sectional study of hair parameters in the occipital region of male pattern hair loss

June 2024 in “Skin Research and Technology”

This study found that patients with severe male pattern hair loss had lower hair density in the occipital region compared to those with mild or moderate cases.

A Cross-Sectional Observational Study to Correlate the Trichoscopic Findings of Female Pattern Hair Loss with the Disease Severity and Underlying Histopathological Changes

research A Cross-sectional Observational Study to Correlate the Trichoscopic Findings of Female Pattern Hair Loss with the Disease Severity and Underlying Histopathological Changes

November 2023 in “International Journal of Trichology”

In this study, researchers observed that trichoscopy could reliably identify features such as anisotrichosis and signs associated with inflammation and fibrosis in female pattern hair loss, which may aid in assessing disease severity and guiding treatment decisions.

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Community Join

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community What Are the Technicalities of Curved Hair Transplantation?

4 upvotes 5 months ago

Curved hair transplantation requires specialized tools and techniques to avoid damaging hair follicles, with modified FUE being the preferred method. Proper extraction and implantation angles are crucial to prevent complications like keloids and sterile folliculitis.

community My 2 Years Progress (Hair Recovery)

1465 upvotes 5 months ago

A person shared their hair regrowth journey using HIMS topical treatments with finasteride, minoxidil, hormone replacement therapy (HRT), and microneedling. They also discussed their transition as a transgender woman and the positive impact of HRT on hair recovery.

community Why is Minoxidil not enough for hair loss? (No fin)

59 upvotes 1 year ago

Minoxidil alone is often insufficient for treating hair loss because it doesn't address the DHT-related cause. Combining it with finasteride, a DHT blocker, is generally more effective.

community Does creatine really speed up hair loss if you have male pattern baldness?

132 upvotes 11 months ago

Creatine is not proven to cause hair loss, but some report increased shedding, especially with male pattern baldness. Finasteride or minoxidil are suggested to counteract potential hair loss while using creatine.

community Petition Alert: Let's Get PP405 Phase 3 Trials in Germany by 2026!

55 upvotes 1 year ago

A user is advocating for Phase 3 trials of the hair loss treatment PP405 to be conducted in Germany, citing benefits like a diverse patient base and faster access for European patients. Despite skepticism about the petition's influence, the user believes it can demonstrate significant interest and potentially influence strategic decisions.

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Learn

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learn Neem Oil

natural substance from Neem tree with medicinal and pesticidal properties

learn Folic acid

Is there a difference between taking folic acid supplements and using folic acid in topical hair products? Oral folic acid uses the body's normal absorption route and can correct a measured deficiency, but no published trial shows it treats hair loss; topical folic acid has no human evidence for hair growth and struggles to cross the skin barrier at all.

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Experts

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Clinics

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