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Did you mean Terminal to Vellus Hair Ratio?

Glossary Terminal to Vellus Hair Ratio

proportion of thick hairs to fine hairs on the scalp

The Terminal to Vellus Hair Ratio refers to the proportion of thick, pigmented hairs (terminal hairs) to fine, short, and lightly pigmented or non-pigmented hairs (vellus hairs) on the scalp or other parts of the body. This ratio is often used in the diagnosis and monitoring of hair loss conditions like androgenetic alopecia, where a decrease in the ratio indicates a shift from terminal to vellus hair, signifying hair thinning and miniaturization.

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Research

5 / 1000+ results

research The reliability of horizontally sectioned scalp biopsies in the diagnosis of chronic diffuse telogen hair loss in women

137 citations , July 2004 in “Journal of The American Academy of Dermatology”

This study observed that triple horizontal scalp biopsies provided a more accurate diagnosis of female pattern hair loss in women than a single horizontal biopsy, especially for those with advanced hair loss.

research Follicular miniaturization in female pattern hair loss: clinicopathological correlations

100 citations , June 2006 in “British Journal of Dermatology”

This study found that as hair loss severity increased in women with female pattern hair loss, the number of vellus follicles also rose, indicating miniaturization of terminal hair follicles.

research Telogen Effluvium

32 citations , October 2009 in “Dermatology”

This article describes acute and chronic telogen effluvium, highlighting the importance of differentiating them from androgenetic alopecia for accurate diagnosis and treatment strategies but includes no new clinical research findings.

research Scalp Biopsy and Diagnosis of Common Hair Loss Problems

2 citations , July 2013 in “InTech eBooks”

This article reviews the differences between scarring and non-scarring alopecias and describes diagnostic methods but reports no new clinical findings.

research Chronic telogen effluvium: Increased scalp hair shedding in middle-aged women

234 citations , December 1996 in “Journal of The American Academy of Dermatology”

The authors concluded that chronic telogen effluvium in middle-aged women presents distinct clinical and histological features that differ from androgenetic alopecia and acute telogen effluvium.

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community Confused why people are calling PP405 a cure...it never claimed to be able to undo miniaturization or revert vellus back to terminal hairs. It seems to be more of a growth stimulant like minoxidil.

in Research/Science 55 upvotes 1 year ago

PP405 is not a cure for hair loss but may reactivate dormant hair follicles, similar to minoxidil. It is unlikely to help with miniaturized or vellus hairs and is still in trial phases, with availability expected around 2030.

community BREAKTHROUGH: I’m a radiochemist and discovered a radioactive isotope scalp serum that OUTPERFORMS Minoxidil and 5-AR inhibitors! (Lab Data Inside)

in Satire 1 year ago

A satirical post where someone claims to have developed a radioactive isotope scalp serum using Polonium-210 that outperforms Minoxidil and finasteride for hair regrowth. The serum reportedly stimulates DNA repair in hair follicles, leading to significant hair density increase, but the post is met with skepticism and concerns about safety.

community 21M on Minoxidil 3 Months: Should I Add Finasteride for Thinning Hair?

in General 246 upvotes 11 months ago

A 21-year-old male experiencing hair thinning started using Minoxidil, which stopped his shedding and led to the growth of vellus hairs on his temples. He is considering whether to add finasteride to his routine, which currently includes Minoxidil, derma rolling, ketoconazole shampoo, vitamin D3, zinc, and a rosemary and fenugreek lotion.

community 'How Balding Treatments Became the New Botox' article in the Cut really made an impression on me

126 upvotes 1 year ago

Hair loss treatments like finasteride, minoxidil, and dutasteride are popular but often lead to side effects and mixed results. The discussion stresses consulting medical professionals and being wary of unproven treatments in the hair loss industry.

community Summaries of Finasteride Studies

in Research/Science 20 upvotes 1 year ago

Finasteride is effective in promoting hair growth and reversing hair miniaturization in men with androgenetic alopecia, with improvements seen in various studies over different durations. Some users report initial side effects like ball ache, which often resolve as the body adjusts.

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Clinics

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Experts

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Hair Loss Specialist
Christopher A. Linke, PA-C
Grand Island, NE, United States

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Christopher A. Linke, PA-C