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research Cell Kinetics of Anagen Scalp Hairs under Physiological and Pathological Conditions

5 citations , March 2009 in “Skin Pharmacology and Physiology”

This study found that DNA flow cytometry effectively evaluates physiological and hormonal influences on cell cycle kinetics of human anagen hair bulbs, with increased S phase cells observed in male pattern baldness, hirsutism, and hyperthyroidism.

research Flow cytometric analysis of cell cycle kinetics of anagen scalp hair correlated with plasma androgens in hirsutism.

February 1990 in “PubMed”

This study observed that hirsute females displayed increased S-phase hair bulb cells and decreased G0/1-phase cells compared to healthy females, with a strong correlation between S-phase percentages and DHEA-S levels.

research A Novel, Drinkable Food Supplement Formulation Reduces Hair Shedding and Increases the Percentage of Anagen Scalp Hair Follicles in Females with Hair Loss

November 2025 in “Journal of Clinical Medicine”

This study found that a novel drinkable supplement significantly increased hair density and reduced hair shedding over six months in women with telogen effluvium, although the authors emphasize the need for larger, placebo-controlled trials to confirm these promising results.

research The 5alpha-reductase type 1, but not type 2, gene is expressed in anagen hairs plucked from the vertex area of the scalp of hirsute women and normal individuals

17 citations , October 2003 in “Brazilian Journal of Medical and Biological Research”

This study found that SDR5A1 gene expression was similar between hirsute women, normal women, and men, suggesting it may not explain differences in hair growth among these groups.

research A comparative study on the rate of anagen effluvium and survival rates of scalp, beard, and chest hair in hair restoration procedure of scalp

3 citations , January 2019 in “Journal of Cutaneous and Aesthetic Surgery”

This study found that beard hair in hair restoration procedures showed the highest survival rate and lowest anagen effluvium compared to scalp and chest hair.

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Clinics

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All 14 clinic results →

Community Join

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community Anagen (@anagenxyz) claiming they've cracked scalp-only DHT blocking - thoughts?

15 upvotes 1 week ago

A company is developing a topical dutasteride that targets hair follicles without significantly affecting systemic DHT levels, with trials underway to measure its effectiveness. Users discuss the potential benefits and skepticism around the formulation compared to existing treatments.

community Scalp Skin Barrier Health and Hair Follicle Cycling: A Potential Overlooked Connection

in Technology 4 months ago

The conversation discusses the importance of scalp skin barrier health in hair follicle cycling, suggesting treatments like ceramides or niacinamide to support hair growth. It also mentions the use of finasteride for hair loss.

community Best scalp serums while on minoxidil and can they contain caffeine?

6 upvotes 11 months ago

The user is using oral finasteride and minoxidil 2mg for hair loss and is considering adding a scalp serum with caffeine, but is concerned it might interfere with minoxidil. They seek advice on maintaining a hydrated, non-oily scalp.

community The Real Reason For Hair Loss?

8 months ago

Hair loss is linked to scalp fibrosis and tension, which result from chronic mechanical stress and androgenic signaling. Treatments include blocking androgens with finasteride, promoting hair growth with topical minoxidil, and improving scalp mobility through exercises.

community Here are my scalp biopsy results? What does this mean?

5 upvotes 1 year ago

The user is experiencing progressive hair thinning despite using finasteride and dutasteride. A biopsy confirmed male pattern baldness, and minoxidil was suggested as an additional treatment.

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Learn

8 / 25 results

learn Latanoprost

glaucoma medication with hair follicle stimulant effects

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.

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 Platelet-Rich Plasma

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

learn Bimatoprost

a synthetic prostamide used to treat eyelashes also shows promise for stimulating hair growth on scalp

learn Osteopontin

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

learn Low Level Laser Therapy

laser therapy for anti-inflammatory and likely insignificant hair regrowth effects

learn Procyanidin

Are Procyanidin based hair tonics or shampoos effective against androgenic alopecia? Procyanidin-based hair tonics may promote hair growth but lack definitive evidence for AGA.

learn Aminexil

Aminexil: Does it work better in certain areas, like receding hairlines or the crown? Aminexil works similarly across the scalp, with no specific area showing significantly better results.
Does it work better in certain areas, like receding hairlines or the crown? Hair loss treatments generally work better on the crown than on receding hairlines.

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Experts

1 / 1 results

Trichologist
Kirsten J. Scalp
Greenville, SC, United States

Kirsten J. Scalp