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Did you mean Terminal to Vellus Hair Ratio?

GlossaryTerminal 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 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”

Horizontally sectioned scalp biopsies are more reliable for diagnosing hair loss in women when three samples are taken instead of one.

research Follicular miniaturization in female pattern hair loss: clinicopathological correlations

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

Hair loss severity relates to increased miniaturization in female pattern hair loss.

Telogen Effluvium: Acute and Chronic Hair Loss Conditions

research Telogen Effluvium

32 citations , October 2009 in “Dermatology”

Telogen effluvium is a hair loss condition with acute cases resolving quickly and chronic cases potentially lasting longer, sometimes requiring treatment.

research Scalp Biopsy and Diagnosis of Common Hair Loss Problems

2 citations , July 2013 in “InTech eBooks”

Scalp biopsy helps tell apart permanent and temporary hair loss types and guides treatment.

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

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

Middle-aged women with chronic telogen effluvium experience increased hair shedding but usually don't get significantly thinner hair.

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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 Most Recent Interesting Hairloss Studies: 10% Minox vs 5% Minox / Radio Rrequency Treatment for AA / Topical Ketoconazole / PRP+Minox vs Minox vs PRP / Alopecia as a systemic disease

in Treatment 90 upvotes 6 years ago

Treatments for hair loss, such as topical minoxidil, platelet-rich plasma therapy with or without minoxidil, ketoconazole, non-abative radio frequency, natural products, finasteride and cortexolone 17 alpha propionate. The post evaluates the efficacy and safety of these treatments in various studies.

community How do you distinguish miniaturised hairs from velus hairs regrowing from dormant follicles around temples?

in Chat 8 upvotes 5 years ago

The conversation discusses difficulty in distinguishing between new hair growth and thinning hair at the temples after using microneedling and a rosemary peppermint topical for four weeks. The advice given is to wait a few months to see if the hairs grow out to determine their nature.

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 9 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.

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