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Evaluation of a New X-Ray Fluorescent Analysis Technique for the Creation of a Nordic Hair Database: Elemental Distributions Within the Root and the Virgin Segment of Hair Fibers

research Evaluation of a new X-ray fluorescent analysis technique for the creation of a Nordic hair database: elemental distributions within the root and the virgin segment of hair fibers.

September 2001 in “PubMed”

This study developed a non-destructive X-ray fluorescence technique to quantitatively analyze elemental content in human hair and constructed a database of element concentrations in healthy Swedish, Caucasian individuals.

research Hair Testing in Forensic Toxicology: Recent Insights From Root to Tip

November 2025 in “Wiley Interdisciplinary Reviews Forensic Science”

This article reviews recent advancements in forensic hair testing, emphasizing its growing use for detecting past substance exposure, identifying emerging trends like micro-segmentation and hair scanning, and proposing standardized procedures to improve reliability and application in forensic toxicology.

research Protein extraction from human anagen head hairs 1-millimeter or less in total length

18 citations , April 2018 in “Biotechniques/BioTechniques”

This study developed a method for extracting proteins from micro-sized human head hairs, facilitating proteomic analysis even with limited hair sample availability.

research Isolation and cultivation of the cells of hair follicles in vitro,and observation of the biological characteristics of them.

1 citations , January 2009 in “Journal of Dermatology and Venereology”

This study found that cells from the upper hair follicle exhibited more active growth compared to other segments in vitro, suggesting their potential as a source of hair follicle stem cells.

Involucrin, But Not Filaggrin and Kdap mRNA, Expression Is Downregulated in 3-D Cultures of Intact Rat Hair Bulbs After Calcium Stimulation

research Involucrin, but not filaggrin and Kdap mRNA, expression is downregulated in 3-D cultures of intact rat hair bulbs after calcium stimulation

3 citations , July 2011 in “Folia Histochemica et Cytobiologica”

This study concluded that the inner root sheath inhibits the expression of certain differentiation markers in hair bulbs, with calcium-induced changes paralleling those seen in hair follicle mid-segments.

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community We already know how to permanently fix hair loss. The science is done. The only thing missing is the funding to run one experiment.

in Technology 613 upvotes 4 months ago

A permanent hair loss solution could involve reprogramming hair follicles to resist DHT using mRNA and siRNA. However, high costs, safety concerns, and the pharmaceutical industry's preference for ongoing treatments over one-time cures are major obstacles, with finasteride and minoxidil remaining standard treatments.

community How does low level laser therapy?

in Chat 5 upvotes 1 year ago

Low-level laser therapy (LLLT) is debated for hair regrowth, with some users suggesting it should be combined with treatments like minoxidil and finasteride for effectiveness. Many users express skepticism about LLLT's efficacy and cost, emphasizing the need for the correct wavelength and quality devices.

community Hair loss - The Root of the Problem

2 upvotes 5 years ago

Hair loss can be influenced by nutritional deficiencies, particularly low Vitamin D and fatty liver, and improving nutrition and lifestyle can strengthen hair. Treatments suggested include regular exercise, a balanced diet, vitamin supplements, and coconut oil massages, while acknowledging that hereditary factors may also play a role.

community White peony root extract for hair loss

6 upvotes 4 years ago

White peony root extract is discussed as a potential treatment for hair loss. The conversation questions if anyone has tried it or researched its use in traditional Chinese medicine.

community Hair thickening spray, The ceel

in Product 1 upvotes 1 year ago

A user discusses using a hair thickening spray similar to L'Oreal Root Touch Up, noting it provides volume and covers thinning temples but may cause hair to fall out when washed. They speculate the fallen hairs might have been loose already.

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