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GlossaryAnagen/Telogen Ratio

measure of hair follicles in growth vs. resting phases

The Anagen/Telogen Ratio is a measure used to assess hair growth and health by comparing the number of hair follicles in the anagen (growth) phase to those in the telogen (resting) phase. A higher ratio indicates a greater proportion of actively growing hair, which is typically a sign of healthy hair growth, while a lower ratio may suggest hair loss or a disruption in the hair growth cycle.

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5 / 1000+ results

Effects of Platelet-Rich Plasma on Hair Follicle Count and Hair Ratios in Androgenic Alopecia: Alone or Combined with Other Treatments

research Effects of platelet-rich plasma application on hair follicle count, telogen/anagen ratio, and miniaturized hair ratio in patients with androgenic alopecia: alone or in combination with other treatments

July 2025 in “Journal of Dermatological Treatment”

PRP improves hair growth in androgenic alopecia, especially when combined with minoxidil.

research Finasteride increases anagen hair in men with androgenetic alopecia

129 citations , October 2000 in “British Journal of Dermatology”

Finasteride helps increase hair growth in men with hair loss.

research Amaranthus Extract Promotes Healthy Follicles and Anagen Hair Density-A Randomized Placebo-Controlled, Double-Blinded Study.

October 2025 in “PubMed”

Amaranthus extract cream safely boosts hair growth in men with hair loss.

LB1010 Ashwagandha-Derived Exosome-Like Nanoparticles Significantly Promote Human Hair Growth Ex Vivo and In Vivo by Stimulating the Production of the Anagen Promoting Growth Factor VEGF-A

research LB1010 Ashwagandha-derived exosome-like nanoparticles significantly promote human hair growth ex vivo and in vivo by stimulating the production of the anagen promoting growth factor VEGF-A

July 2024 in “Journal of Investigative Dermatology”

Ashwagandha nanoparticles help hair grow by increasing a growth factor.

research Effects of the RV3466F lotion on female telogen effluvium: Results from a 16 week, multi-centric, controlled, randomized trial

August 2019 in “Journal of The American Academy of Dermatology”

RV3466F lotion significantly reduces hair loss and improves acute telogen effluvium.

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Community Join

5 / 528 results

community Why haven’t we seen anything about this

in Research/Science 18 upvotes 6 years ago

A double blind, placebo-controlled study that looked into the potential effectiveness of topical fluridil for treating male androgenetic alopecia, showing increased anagen to telogen ratios with no reported side effects on libido or sexual performance.

community My Theory Of Androgenic Alopecia

in Research/Science 20 upvotes 8 months ago

Hair loss is linked to cellular physiology and the IGF-1 to TGF-B1 ratio, not just androgen sensitivity. The theory lacks evidence, while finasteride and minoxidil are effective treatments.

community HLT Megathread on HMI-115 (key takeaways in comments)

in Research/Science 39 upvotes 3 years ago

HMI-115, a newly discovered hair loss treatment that could potentially be effective for those with diffuse thinning and telogen effluvium. It is based on prolactin receptor antagonist signaling and has already undergone Phase I trials in women, with potential commercialization by 2027.

community Best science-backed supplements for androgenetic alopecia? Looking for real evidence

in Research/Science 2 upvotes 5 months ago

The conversation discusses treatments for androgenetic alopecia, focusing on evidence-based supplements to complement finasteride. Suggestions include oral minoxidil, saw palmetto, pumpkin seed oil, tocotrienols, and various other supplements, while emphasizing the importance of scientific backing and cautioning against saw palmetto if already using finasteride.

community Predict if You'll Shed and Responding to Treatment: Ultrasound Imaging Technology

in Research/Science 18 upvotes 1 year ago

Ultrasound imaging can predict hair shedding and assess hair growth stages by analyzing hair follicle characteristics. The conversation also discusses using ultrasound for personal hair analysis and mentions the potential use of infrared emission for hair treatment.

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