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Did you mean Hair Shaft Diameter Diversity?

Glossary Hair Shaft Diameter Diversity

variation in thickness of individual hair strands

Hair Shaft Diameter Diversity refers to the variation in the thickness of individual hair strands on a person's scalp. This diversity can be influenced by genetic factors, hormonal changes, and environmental conditions. For professionals, understanding this concept is crucial for diagnosing hair disorders and tailoring treatments, as variations in hair shaft diameter can impact the overall appearance and health of the hair.

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Research

5 / 1000+ results

Sample Collecting Methods for Bacterial Community Structure Analysis of Scalp Hair: Non-Invasive Swabbing Versus Intrusive Hair Shaft Cutting

research Sample collecting methods for bacterial community structure analysis of scalp hair: non-invasive swabbing versus intrusive hair shaft cutting

1 citations , September 2024 in “Scientific Reports”

This study observed that bacterial communities on scalp hair collected through non-invasive swabbing showed similar diversity and composition to those obtained by cutting or removing hair, suggesting that swabbing is an effective method for microbiome analysis on hair.

research Distribution of bacterial community structures on human scalp hair shaft in relation to scalp sites

September 2023 in “Bioscience, biotechnology, and biochemistry”

In this study, researchers observed that bacterial community structures on human scalp hair are unique to individuals and show consistent patterns across different sampling sites on the scalp, without significant variation between these sites.

research Trichoscopic criteria of different stages of male pattern hair loss

October 2021 in “DOAJ (DOAJ: Directory of Open Access Journals)”

In this hospital-based cross-sectional study, researchers observed that trichoscopy effectively differentiates between severe and mild male pattern hair loss by identifying specific features such as yellow and white dots, vellus hair, and hair shaft diversity.

research Role of Trichoscopy in Children's Scalp and Hair Disorders

43 citations , August 2013 in “Pediatric Dermatology”

This review discusses the use of trichoscopy in diagnosing and managing pediatric hair and scalp disorders and reports no new experimental findings.

research The dermatoscope in the hair clinic: Trichoscopy of scarring and nonscarring alopecia

24 citations , August 2023 in “Journal of the American Academy of Dermatology”

Trichoscopy helps diagnose and manage different types of hair loss effectively.

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Community Join

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community Solving Hair Loss with Research at MIT

in Research/Science 595 upvotes 1 year ago

Hair loss treatments like minoxidil, finasteride, TDM-105795, and PP405. MIT is hosting a hackathon to find innovative hair loss solutions.

community Why do we have head hair in first place if we evolved to start losing it in some cases as soon as puberty hits

140 upvotes 11 months ago

Hair loss is influenced by genetics and sensitivity to hormones like DHT. Treatments like Minoxidil and finasteride are commonly used, and baldness persists as it doesn't affect reproductive success.

community can we talk about the effect of DHT on hair TEXTURE (not just thickness/density)

41 upvotes 1 month ago

Finasteride treatment improved hair texture and reduced frizz for some users, though full restoration of original texture may take time. Hair texture changes were noted across the head, with some areas responding faster to treatment.

community Hair Shaft Diameter and Density Comparison

13 upvotes 4 weeks ago

The conversation discusses differences in hair shaft diameter and density between thinning and denser areas on the scalp. Treatments mentioned include Minoxidil, finasteride, and dutasteride.

community FDA Policy Shift Explained: What It Actually Means for PP405, VDPHL-01, Breezula and Hair Loss Drug Timelines

in Research/Science 42 upvotes 6 months ago

The FDA policy change may speed up approval for hair loss drugs like PP405, VDPHL-01, and Breezula by potentially eliminating the need for a second confirmatory Phase 3 trial. Approval timelines could be as early as 2028 for some treatments if Phase 3 results are strong.

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Learn

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learn Osteopontin

signaling protein that, when suppressed, may grow hair by reducing inflammation and stem cell loss

learn Cetirizine

How does cetirizine reduce inflammation linked to hair loss? Cetirizine is proposed to lower prostaglandin D2 and raise prostaglandin E2 around hair follicles; three small trials of a compounded 1% topical report modest increases in hair density and shaft thickness, with minoxidil doing better head-to-head. Topical cetirizine is off-label and unapproved for hair loss, and the evidence is too thin to call it effective or safe.

learn Hair Multiplication

extract, clone, and reinsert your own hair cells

learn Adenosine

nucleoside used for hair regrowth stimulant properties

learn Valproic acid

an anticonvulsant repurposed for hair loss via histone inhibition

learn Stemoxydine

chemical from L'Oreal that encourages hair to enter growth phase

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Clinics

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Experts

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Unscored
SMP Specialist
Hairo Fallas
Newark, NJ, United States

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Hairo Fallas