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Glossary Hair Shaft Thickness Heterogeneity

variation in hair strand diameters on an individual's scalp

Hair Shaft Thickness Heterogeneity refers to the variation in the diameter of hair strands on an individual's scalp or body. This means that some hairs may be thicker or thinner than others, which can be influenced by factors such as genetics, hormonal changes, or health conditions. For professionals, this heterogeneity can be an important diagnostic marker for conditions like alopecia areata or other hair disorders.

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Research

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research Correlation between trichoscopic findings and disease severity in female-pattern hair loss

June 2022 in “Our Dermatology Online”

In this study, researchers found that trichoscopy helps detect early signs of female-pattern hair loss before it is visible, highlighting its importance for monitoring and managing the condition.

research Dermoscopy in General Dermatology: A Practical Overview

243 citations , September 2016 in “Dermatology and Therapy”

This article provides an overview of how dermoscopy can aid in the noninvasive diagnosis of various general dermatological disorders, grouped by clinical presentation, but reports no new clinical results.

research Trichoscopy

42 citations , October 2012 in “Dermatologic Clinics”

This article reviews the use of trichoscopy for diagnosing common hair and scalp diseases and introduces a new classification for specific skin surface abnormalities, without presenting new clinical results.

research Trichoscopic findings of androgenetic alopecia and their association with disease severity

30 citations , March 2015 in “Journal of Dermatology”

This study found that certain trichoscopic features like white peripilar sign, yellow dots, and scalp pigmentation are positively correlated with the severity of androgenetic alopecia in Chinese patients.

research Correlation of trichoscopic findings in androgenetic alopecia and the disease severity

12 citations , January 2019 in “International Journal of Trichology”

This study found that trichoscopy revealed significant differences in certain variables, such as the brown peripilar sign and white peripilar sign, which may aid in diagnosing early and late stages of androgenetic alopecia.

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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 Follistatin

glycoprotein that inhibits TGF-β and promotes hair growth by antagonizing activin

learn Vascular Endothelial Growth Factor

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Community Join

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community Recent trials investigating mesenchymal stem cell derived exosomes demonstrate significant increases in anagen duration and hair shaft caliber by upregulating Wnt/beta-catenin pathways.

4 upvotes 4 weeks ago

Exosomes from mesenchymal stem cells can increase hair growth by enhancing anagen duration and hair shaft thickness through the Wnt/beta-catenin pathway. Phase 2 trials show improved hair counts over 24 weeks.

community After using finasteride, did you notice an improvement in the hair shaft in terms of looking more “alive” and shiny?

2 upvotes 7 months ago

Finasteride users reported improvements in hair appearance, including increased thickness, shine, and darker color. Some users noticed their hair looked healthier and less sunburned after starting the treatment.

community Peppermint oil for Hair Thickness

in Research/Science 2 upvotes 10 months ago

Peppermint oil may increase hair thickness more effectively than minoxidil, but its effects are mostly studied in animals. Users report mixed results, with some seeing no regrowth and others noting slight improvements when combined with other treatments.

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 Microneedling must reach the stem cells in the upper hair shaft

82 upvotes 4 years ago

Microneedling should target depths of 0.5mm to 1.5mm for hair loss, with weekly sessions at 1mm recommended. Combining microneedling with Minoxidil is common for improved results.

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SMP Specialist
Hairo Fallas
Newark, NJ, United States

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Hairo Fallas