189 citations
,
January 2014 in “Journal of Visualized Experiments” This study developed and validated a method for extracting cortisol from human and animal hair, suggesting its potential as a biomarker for assessing chronic stress exposure.
101 citations
,
January 2014 in “Journal of Visualized Experiments” This study validated a method for measuring cortisol levels in hair, which may serve as a biomarker for chronic stress in both humans and various animals.
44 citations
,
August 2012 in “Journal of Food Science” This study optimized conditions for extracting saponins from Eclipta prostrata, achieving maximum yield with specific ethanol concentration, time, temperature, and liquid/solid ratio.
12 citations
,
November 2020 in “Pharmacognosy Journal” This study found that 1-butyl-3-methylimidazolium tetrafluoroborate is the optimal ionic liquid solvent for extracting quercetin from Nothopanax scutellarium leaves.
6 citations
,
October 2011 in “InTech eBooks” This article reviews carbohydrate metabolism in plants, focusing on enhancing soybean product diversity and quality, and reports no new research results.
5 citations
,
January 2006 in “Journal of veterinary medical science” This study found that small amounts of RNA present in horsehair roots can be used for molecular biological analysis, although detecting mRNA transcripts in the hair shaft is more challenging.
5 citations
,
January 1999 in “Journal of dermatological treatment” This study found that while Bioré pore strips effectively removed microcomedones and trichostatic bundles on the nose without causing irritation, they were less effective than cyanoacrylate extraction.
4 citations
,
January 2018 in “Hair transplant forum international” This article talks about the concept of extraction and reports no new research findings.
4 citations
,
March 2023 in “Molecules/Molecules online/Molecules annual” This study successfully extracted gallic acid and ferulic acid using a biocompatible aqueous two-phase system, suggesting a sustainable approach for producing antioxidants as food supplements for hair health.
1 citations
,
October 2023 in “Pharmaceuticals” In this study, researchers investigated GAGs from the marine invertebrate Microcosmus exasperatus, finding that its polysaccharides possess antitumoral properties without affecting anticoagulant activity. The unique composition shows potential for cancer treatment when combined with existing therapies in future studies.
1 citations
,
January 2019 in “Journal of Pharmacognosy and Phytochemistry” This article reviews the potential health benefits of onions, highlighting their anti-inflammatory, anticancer, and antioxidant properties, but does not report any new clinical results.
This review synthesizes evidence on strategies to preserve donor aesthetics and reserve in follicular unit extraction, emphasizing conservative extraction limits and long-term planning to prevent donor site morbidity.
January 2026 in “Biomaterials and Biosystems” This study extracted water-soluble keratin particles from chicken feathers and verified their structural properties, observing no irritative potential on hen's eggs and positive physiological effects on human skin cells, suggesting their suitability for use on damaged or irritated skin.
January 2026 in “Digitalen Hochschulbibliothek Sachsen-Anhalt (Universitäts- und Landesbibliothek Sachsen-Anhalt)” In this study, researchers extracted soluble keratin proteins from chicken feathers and found they maintain structural integrity with potential uses for damaged skin, exhibiting no irritative effects in ex vivo settings on hen's eggs.
December 2025 in “Indian Journal of Dermatology” This case report describes a 24-year-old male with eruptive vellus hair cysts on his forehead and explores the use of extraction videodermoscopy as a new, less invasive diagnostic method, potentially replacing the need for skin biopsy in diagnosing such skin conditions.
October 2025 in “Interdiciplinary Journal and Hummanity (INJURITY)” This study characterized bioactive compounds in extracts from six Kalimantan herbal plants, confirming traditional medicinal uses with findings such as triterpenoids and several potent compounds with antimicrobial and cardiovascular benefits, laying groundwork for potential therapeutic applications and conservation efforts.
October 2024 in “International Journal of Biological Macromolecules” This review discusses recent advances in extracting, purifying, and analyzing polysaccharides from Ginkgo biloba leaves, which are valued in traditional Chinese medicine for their diverse biological activities, including antioxidant and hair-growth promoting effects, aiming to inform future development and commercialization.
December 2023 in “Journal of dispersion science and technology” This study introduced a natural shampoo formulation containing Gleditsia sinensis Lam extract, Sapindus mukurossi extract, and other ingredients, which demonstrated effective foaming, antioxidant, antibacterial, and antifungal properties.
December 2022 in “Deleted Journal” In this study, topical application of keratin extract from wool promoted hair growth in mice by reducing the time for initiation and completion of growth phases and improving hair quality.
July 2020 in “International journal for research in applied science and engineering technology” This study reports that a newly formulated herbal shampoo using natural ingredients like fenugreek and shikakai was successfully developed to eliminate harmful synthetic components in anti-dandruff shampoos.
December 2019 in “University of Malaya Students Repository” This study found that Soxhlet extraction is more effective at removing the toxin mimosine from Leucaena leucocephala, and mimosine shows promise as a biodiesel additive due to its antioxidative properties.
April 2020 in “Journal of Cosmetic and Laser Therapy” In this study, researchers identified optimal hair follicle and follicular unit densities for successful hair transplantation in male patients with androgenetic alopecia in China.
41 citations
,
August 2013 in “Facial Plastic Surgery Clinics of North America” This article discusses the benefits, techniques, and unique considerations of follicular unit extraction for hair grafting, but reports no new clinical results.
36 citations
,
December 1991 in “Journal of Dermatological Science” Human nails contain both skin and hair keratins, each needing different extraction methods.
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.
13 citations
,
August 2016 in “Journal of Cosmetic Dermatology” This study found that intradermal injection of normal saline before follicular unit extraction significantly reduced wound size and skin mass removed compared to acute extraction, suggesting it minimizes skin injury in this procedure.
5 citations
,
March 2001 in “Journal of biomechanics” This study found that anagen hairs require less force to be extracted than telogen hairs in an in vitro pig skin model, indicating different anchorage mechanisms.
4 citations
,
July 1948 in “Experimental biology and medicine” This study found that continuous extraction of crude casein with hot ethanol reduced its nutritive quality and growth rates in rats, although liver supplementation restored normal growth.
3 citations
,
July 2024 in “Urology Annals” This study reported a marginally lower sperm retrieval rate using micro-testicular sperm extraction (m-TESE) among nonmosaic Klinefelter Syndrome patients compared to existing literature, with younger patients benefitting more significantly from the procedure.
3 citations
,
October 2021 in “Indian Journal of Plastic Surgery” This review discusses the evolution of follicular unit extraction techniques for hair transplant, highlighting various devices and methods but reports no clinical results; it emphasizes advancements in tools and techniques over the years.