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research Collecting Hair Samples for Hair Cortisol Analysis in African Americans

44 citations , June 2018 in “Journal of Visualized Experiments”

This paper presents a culturally informed protocol designed to improve the collection of hair samples from African Americans for cortisol measurement, illustrating its application with community-based study data.

Sample Collecting Methods for Bacterial Community Structure Analysis of Scalp Hair: Non-Invasive Swabbing Versus Intrusive Hair Shaft Cutting

research Sample collecting methods for bacterial community structure analysis of scalp hair: non-invasive swabbing versus intrusive hair shaft cutting

1 citations , September 2024 in “Scientific Reports”

This study observed that bacterial communities on scalp hair collected through non-invasive swabbing showed similar diversity and composition to those obtained by cutting or removing hair, suggesting that swabbing is an effective method for microbiome analysis on hair.

research Development and validation of hair specimen collection methods among extremely short‐length Afro‐textured hair

4 citations , February 2019 in “American Journal of Human Biology”

This study suggests that collecting hair samples from all scalp regions may be a viable alternative for measuring cortisol in individuals with Afro-textured or extremely short hair, aligning results with traditional methods.

research Bias in Hair Cortisol Measures for Psychological Stress: Self vs. Professional Collection

January 2026 in “Psychoneuroendocrinology”

Self-collected hair samples can measure stress but may need adjustments for accuracy.

research Protocol for preparing mammalian skin samples encompassing hair follicles for spatial transcriptomics

August 2024 in “STAR Protocols”

This study details a step-by-step protocol for preparing mammalian skin samples, including hair follicles, for spatial transcriptomics to overcome challenges inherent in applying this technique to the skin.

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Community Join

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community Sugar and Hair loss connections

in Research/Science 41 upvotes 1 year ago

High sugar diets may worsen hair loss by increasing 5α-reductase activity and androgen levels, especially in women with PCOS. A low sugar diet might reduce scalp DHT levels, similar to finasteride, but genetics also significantly influence hair loss.

community DHT Itch is real. The connection between Acne and Male Pattern Baldness shows this

in Research/Science 64 upvotes 3 years ago

The conversation discusses the link between seborrheic dermatitis, acne, and male pattern baldness, suggesting that DHT may cause both skin conditions and hair loss. Treatments mentioned include RU58841, finasteride, dutasteride, minoxidil, Nizoral shampoo, and other topical anti-androgens.

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Learn

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learn Osteopontin

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

learn Hair Multiplication

extract, clone, and reinsert your own hair cells

learn Rapamycin

mTOR regulator and immunosuppressant used more recently for anti-aging and hair regrowth

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Clinics

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22
Hair Loss Treatments
Simple Beauty Studio: Naples Premier Hair Salon & Med SpaNaples, FL · US

Experts

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Unscored
SMP Specialist
Hairo Fallas
Newark, NJ, United States