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research Androgen-Dependent Beard Dermal Papilla Cells Secrete Autocrine Growth Factor(s) in Response to Testosterone Unlike Scalp Cells

51 citations , November 1998 in “The journal of investigative dermatology/Journal of investigative dermatology”

In this study, researchers found that while both beard and scalp dermal papilla cells release similar autocrine growth factors, only beard cells increased production and response with testosterone, suggesting these factors enhance androgen-induced hair growth.

research Author response: A multi-scale model for hair follicles reveals heterogeneous domains driving rapid spatiotemporal hair growth patterning

3 citations , June 2017

This study found that hair follicles across mouse skin form a heterogeneous regenerative field, with distinct cycling dynamics influenced by the balance of activator and inhibitor signals, which could inform other organ regeneration research.

research Author response: Dynamics of nevus development implicate cell cooperation in the growth arrest of transformed melanocytes

September 2020

This study observed that nevus melanocytes do not exhibit signs of senescence, suggesting that their growth arrest is due to cell interactions and not directly caused by BRAF activation.

The Therapeutic Response of Platelet-Rich Plasma for Androgenetic Alopecia Showed No Correlation with Growth Factors and Platelet Number

research The Therapeutic Response of Platelet Rich Plasma (PRP) for Androgenetic Alopecia Showed No Correlation with Growth Factors and Platelet Number

3 citations , December 2016 in “Blood”

This study found PRP treatment significantly increased hair count and anagen hairs in male patients with androgenetic alopecia, but there was no correlation between therapeutic response and platelet or growth factor levels.

research AtCSLD3 and GhCSLD3 mediate root growth and cell elongation downstream of the ethylene response pathway in Arabidopsis

35 citations , December 2017 in “Journal of Experimental Botany”

In this study, CSLD3 overexpression in Arabidopsis enhanced root and hypocotyl growth by increasing cell elongation, with root growth highly sensitive to ethylene and phosphate starvation conditions.

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Community Join

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community Am I a Hyper Responder or is this Normal Growth

39 upvotes 1 year ago

The user experienced significant hair regrowth in 5 weeks using Minoxidil, Finasteride, Dutasteride, biotin, collagen, derma stamping, and a mixture of oils, leading others to label them a "hyper responder." Some users advised caution with microneedling frequency to avoid potential scarring.

community Hyper responders to minoxidil.

in Minoxidil 6 upvotes 5 months ago

Oral minoxidil and finasteride can lead to quick hair growth, with some users noticing changes in as little as 2-3 weeks, though head hair may take longer. Many prefer oral minoxidil over topical due to convenience, and some also use ketoconazole shampoo and other topical treatments.

community Intermittent fasting reduces hair growth?!? :(

35 upvotes 1 year ago

Intermittent fasting may inhibit hair growth by triggering a stress response that affects hair-follicle stem cells. Some users believe genetics and DHT play a larger role in hair loss, and treatments like Minoxidil and Finasteride are mentioned as ineffective for some.

community 77 days fin + min + microneedling - hyper responder?

in Progress Pictures 16 upvotes 1 year ago

A user shared impressive hair growth results after 77 days using oral finasteride, topical minoxidil, and weekly microneedling. They reported thicker, darker hair and minimal shedding, with treatment costs around 30 euros per month.

community Growth? (Only dut for 3 months)

in Is this regrowth? 19 upvotes 2 years ago

A user used dutasteride 0.5mg for 3 months and is unsure about hair regrowth, noting some greying. Responses suggest improvement and that full regrowth may take time with shedding cycles.

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Learn

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learn Epidermal Growth Factor

learn Stem Cell Factor

learn Platelet-Rich Plasma

growth factors taken from your blood and injected into your scalp to stimulate hair

learn Microneedling

technique to create small wounds in skin to activate collagen production and hair growth

learn Castor oil

a traditional, natural remedy touted for promoting scalp health and hair growth

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 Lavender

Does lavender promote hair growth or just soothe an irritated scalp? Lavender may promote hair growth and soothe an irritated scalp.

learn Bimatoprost

Can a lash-growth serum like bimatoprost actually work for your scalp? Bimatoprost (Latisse) is approved for eyelashes, not the scalp; two Allergan phase 2 trials in men with androgenetic alopecia posted results to ClinicalTrials.gov but were never published in a peer-reviewed journal, so scalp use remains off-label and experimental.

learn Dexpanthenol

Does dexpanthenol promote hair growth? Dexpanthenol improves hair moisture and strength but does not directly promote hair growth.

learn horsetail extract

How does horsetail extract support hair growth — is it the silica, the antioxidants, or both? Horsetail extract supports hair growth primarily through its silica content.

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