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research Gender differences in scalp hair growth rates are maintained but reduced in pattern hair loss compared to controls

11 citations , November 2015 in “Skin Research and Technology”

This study found that individuals with patterned hair loss, both male and female, showed a slower linear hair growth rate compared to controls with hair of equal thickness.

research [Changes in telogen rate, hair density, hair diameter and rate of growth in androgenetic alopecia of the male. Simultaneously a contribution to the significance of dysplastic hair].

April 1986 in “PubMed”

This study observed that in men with androgenetic alopecia, frontal hair regions showed reduced density, diameter, and growth rate compared to occipital regions, worsening with advanced stages.

A 6-Month Prospective, Open-Label, Randomized Study Showing Increased Hair Growth Rate in Women Using Multi-Targeting Hair Growth Nutraceuticals

research A 6-Month Prospective, Open-Label, Randomized Study Showing Increased Hair Growth Rate in Women Using Multi-Targeting Hair Growth Nutraceuticals

July 2026 in “Dermatology and Therapy”

In this study, women experiencing hair thinning who consumed tailored botanical-based nutraceuticals saw significant increases in linear hair growth rate and other hair health parameters over 90 and 180 days, supporting their effectiveness across different life stages.

research Colorimetry provides a rapid objective measurement of de novo hair growth rate in mice

4 citations , October 2009 in “Skin research and technology”

This study found that tristimulus colorimetry is a sensitive and quantitative method for projecting hair growth rates in depilated mice, and it observed that 890 nm LED irradiation promotes hair regrowth.

Evaluating Hair Growth Promoting Effects of Candidate Substances: A Review of Research Methods

research Evaluating hair growth promoting effects of candidate substance: A review of research methods

28 citations , March 2019 in “Journal of Dermatological Science”

This review discusses methods for evaluating hair growth-promoting effects of candidate substances for androgenetic alopecia, focusing on cell assays, organ cultures, and animal models, and reports no new results.

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Community Join

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community How long does hair actually take to recover from a shed?

in Finasteride/Dutasteride 4 upvotes 1 month ago

Hair regrowth after shedding typically takes 4-6 months, with variations depending on individual hair growth cycles. Finasteride can cause shedding, but new hair will grow back at its natural rate.

community How have you thickened your beard on finasteride. B4/After pics too

61 upvotes 1 year ago

Finasteride can slow beard growth, but minoxidil and dermarolling may enhance beard thickness. Minoxidil is suggested for permanent beard gains, while finasteride is mainly for scalp hair maintenance.

community The Real Cause Of Androgenetic Alopecia

675 upvotes 1 year ago

Androgenetic alopecia is caused by DHT affecting hair growth. Finasteride and minoxidil are used to manage hair loss by blocking DHT and promoting hair growth.

community Coegin Pharma to release Follicopeptide (FOL005) by Q2 2025

118 upvotes 2 years ago

Follicopeptide (FOL005) by Coegin Pharma will launch as a cosmetic hair growth treatment by Q2 2025, showing similar efficacy to finasteride. Users discuss the benefits and skepticism of releasing hair loss treatments as cosmetics rather than drugs.

community Does running help for blood flow?

12 upvotes 4 days ago

Running may improve overall health and circulation, but it does not significantly impact hair regrowth. Effective hair treatments include blocking DHT and using minoxidil, which extends the hair's growth phase.

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Learn

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learn Stem Cell Factor

learn Dexpanthenol

precursor of vitamin B5 with hair stimulating effects

learn Osteopontin

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

learn Melatonin

hormone commonly taken for sleep aid has some topical benefits for hair

learn Thymosin Beta 4

learn Caffeine

Does caffeine stimulate hair growth or only slow hair loss? Caffeine stimulates hair follicles in laboratory cultures, and one open-label trial in 210 men found a 0.2% caffeine topical non-inferior to minoxidil 5% on an anagen-ratio endpoint; there is no placebo-controlled evidence that it regrows hair, and none at all in alopecia areata or telogen effluvium.

learn Adenosine

Adenosine: How natural is this ingredient and how does it act on the scalp? Adenosine is a naturally occurring compound that promotes hair growth by extending the anagen phase.

learn Latanoprost

How does latanoprost work to make eyelashes and possibly scalp hair grow? Studies report that latanoprost, a prostaglandin analog, lengthens the anagen (growth) phase of hair follicles, which is the mechanism given for the eyelash thickening seen in glaucoma patients; on the scalp the evidence is one 16-man pilot study and animal work, so the effect there is unproven.

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