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research Human scalp hair: geometry, biochemistry, growth parameters and mechanical characteristics

January 2016 in “Belarusian State Pedagogical University repository (Belarusian State Pedagogical University)”

This research suggests that geometric classification of hair into fewer groups may be more reliable and useful for studying hair characteristics, rather than racial descriptions, especially in medical and forensic applications.

research Hair care practices and structural evaluation of scalp and hair shaft parameters in African American and Caucasian women

25 citations , August 2015 in “Journal of cosmetic dermatology”

This study observed significant differences in hair care practices and biologic hair parameters between Caucasian and African American women, which may contribute to varying hair fragility and growth.

research Age‐related changes in scalp biophysical parameters: A comparative analysis of the 20s and 50s age groups

7 citations , August 2023 in “Skin Research and Technology”

This study highlights age and sex as key factors influencing scalp parameters, thereby affecting hair health and suggesting they should be considered in developing hair care strategies.

research Scalp hair parameter changes in transgender individuals commencing gender-affirming hormone therapy: A 24-week prospective observational study

3 citations , February 2025 in “Journal of the American Academy of Dermatology”

This study highlights how sex steroids affect hair growth, reporting that testosterone used in masculinizing hormone therapy can lead to androgenetic alopecia in transgender individuals, while feminizing hormone therapy with estradiol and antiandrogens can reduce hirsutism.

research The Influence of Various Parameters on the Success of Sensor-Controlled Scalp Cooling in Preventing Chemotherapy-Induced Alopecia

21 citations , January 2015 in “Oncology Research and Treatment”

This study found that sensor-controlled scalp cooling was effective in preventing hair loss during chemotherapy, particularly in premenopausal patients and those without systemic comorbidities or additional medications.

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community Scalp over skull massage and low hanging fruits of the basement: a cure?

in Research/Science 35 upvotes 1 year ago

Scalp massages may improve hair growth, with noticeable results in a few months. The technique involves detaching the skin from the skull, similar to detumescence therapy, and may be combined with other treatments for better results.

community Efficacy and Tolerability of N-Acetyl-Cysteine for Treatment of The Early-onset Androgenetic Alopecia in Men

26 upvotes 4 years ago

N-Acetyl-Cysteine (NAC) was found to improve hair parameters in men with early-onset androgenetic alopecia, showing increased terminal hair count and decreased vellus hair count, with good tolerability. NAC, used alone or with minoxidil, may help due to its antioxidant properties, though its effectiveness can vary among individuals.

community Is finasteride just not working for me? test results

3 upvotes 1 year ago

A 21-year-old is experiencing aggressive hair loss and questions the effectiveness of finasteride after 45 days of use, with high DHT levels. A user advises that scalp DHT, not serum DHT, is important for hair loss assessment, and suggests monitoring hair improvement over time.

community microneedle, any long term users damage?

in Microneedling 35 upvotes 2 years ago

Microneedling is effective for hair growth, especially when combined with finasteride and minoxidil, but concerns exist about potential long-term skin damage. Users report increased collagen and elastin deposition, but the long-term effects on the scalp remain uncertain.

community My DHT levels have increased after taking 0.25mg Fin for 47 days!

186 upvotes 1 year ago

A user experienced increased hair shedding and unchanged DHT levels after taking 0.25mg of finasteride for 47 days, leading them to increase the dose to 0.5mg. Others discussed varying experiences with finasteride, minoxidil, and the importance of measuring scalp DHT.

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