32 citations
,
May 2018 in “Cell Cycle” This study found that melatonin exposure promoted hair follicle fiber growth in Cashmere goat cultures, potentially influencing pathways related to the microvascular system and extracellular matrix.
30 citations
,
July 2023 in “Clinical Chemistry and Laboratory Medicine (CCLM)” In this study, researchers developed an LC-MS/MS method to accurately quantify cortisone and cortisol levels in human scalp hair, finding that concentrations decrease predictably along the hair shaft, which could assist in identifying abnormal glucocorticoid exposure.
23 citations
,
June 2015 in “Clinica Chimica Acta” In this study, researchers identified two potential urinary biomarkers, testosterone–glucuronide and 11α-hydroxyprogesterone, along with four candidate biomarkers, to help understand and diagnose polycystic ovary syndrome.
19 citations
,
January 2007 in “Biological & pharmaceutical bulletin” This study found that glycine treatment inhibited melanogenesis in B16F0 melanoma cells and reduced melanin content in C57BL/6J mice by down-regulating tyrosinase protein levels.
10 citations
,
May 2010 in “Analytica Chimica Acta” This study reported the development of two highly sensitive ELISA assays to detect banned substances finasteride and dutasteride in human urine, offering better sensitivity than existing HPLC/MS/MS methods.
9 citations
,
November 2022 in “International Journal of Molecular Sciences” This study found that LC-MS/MS assays provided more reliable and precise steroid measurements in human serum compared to traditional immunoassays, particularly at lower concentrations.
9 citations
,
August 2020 in “Ecological indicators” This study in western Hudson Bay, Canada, examined trace elements in the hair of adult male polar bears and found significant differences in concentration patterns along the hair length, suggesting laser ablation ICP-MS is a promising tool for monitoring these variations over time.
7 citations
,
April 2022 in “Journal of pharmaceutical and biomedical analysis” This study describes a new method using high-resolution mass spectrometry for analyzing multiple steroids in human scalp hair, with newborn hair showing the highest steroid concentrations among examined age groups.
6 citations
,
September 2024 in “Plant Cell & Environment” This study found that in Arabidopsis root hairs, mild chitosan treatment triggered callose deposition and slowed growth, while a higher concentration inhibited growth without callose deposition, indicating different responses based on chitosan concentration.
6 citations
,
September 2022 in “Frontiers in pharmacology” In this study, Epimedii Folium extract was found to enhance melanin production and promote pigmentation through mechanisms involving the MAPK/ERK1/2 pathway in both in vitro and in vivo models.
6 citations
,
February 1996 in “Clinical Pharmacology & Therapeutics” Scale created to measure hair loss in men and women; MK-386 reduces acne; Niaspan treats dyslipidemia; minoxidil increases heart rate.
5 citations
,
April 2024 in “Journal of the Pakistan Medical Association” This study found that alopecia areata patients had significantly higher levels of interleukin-6 compared to healthy controls.
5 citations
,
April 2018 in “Chem” This study introduced a novel graphene-based hair dye that is non-reactive, non-invasive, and eliminates toxic chemicals, while providing durable color, antistatic properties, and efficient heat dissipation, even after 30 washes.
2 citations
,
August 2016 in “Química Nova” This study concluded that chitosan nanoparticles loaded with minoxidil effectively target hair follicles and reduce dermal exposure compared to iontophoresis, despite similar drug delivery potential to the follicles.
2 citations
,
January 2016 in “Scientifica” Researchers created a reliable method to measure dexpanthenol and resorcinol in hair products.
2 citations
,
December 1983 in “Outlook on Agriculture” This review discusses the use of growth substances in agriculture and horticulture and suggests their potential applications in farming, plant breeding, and environmental protection, but reports no new results.
1 citations
,
December 2023 This study explored the complex developmental processes of human hair, emphasizing the intricate interactions required for hair follicle morphogenesis and its implications for drug incorporation and concentration interpretation, particularly in early childhood.
August 2026 in “Clinical and Translational Science” This study evaluated two bimatoprost 1% formulations for androgenetic alopecia in men, finding both formulations achieved effective drug concentrations in the scalp with no significant differences between them, and were well tolerated over the 14-day application period.
July 2026 in “International Journal of Drug Delivery Technology” This research reported that liposomal systems made from pig-derived skin lipids enhanced finasteride delivery to hair follicles for treating androgenetic alopecia, showing improved drug deposition, hair length, and growth compared to conventional finasteride forms in vitro.
August 2025 in “MedScien” This study explores the design of responsive drug carriers based on the tumor microenvironment to improve targeting and reduce side effects in cancer treatment, using a model of delivering curcumin with a responsive polymer carrier and evaluating potential errors due to cancer cell heterogeneity.
April 2024 in “Research Square (Research Square)” This study found that extracts of mesenchymal stem cells (MSC-extract) and their protein components (MSC-protein) enhanced the proliferation and migration of periodontal ligament cells and induced significant periodontal tissue regeneration, showing potential as a new cell-free treatment for periodontal disease.
July 2023 in “Research Square (Research Square)” This study developed finite element models to examine skin's biomechanical properties, finding that structural heterogeneities like Rete ridges and hair follicles create distinct stress and strain patterns that may influence mechanosensation and skin integrity.
April 2019 in “Journal of Investigative Dermatology” In this pilot study, combined platelet-rich plasma therapies showed potential benefits for improving skin elasticity and vascular network density in morphea patients, but the small sample size limits definitive conclusions.
May 2024 in “Brazilian Journal of Hair Health” This study reported the successful development of finasteride-loaded poly(lactic-co-glycolic acid) nanoparticles, with varying encapsulation efficiencies, aiming to enhance drug delivery for hair growth while minimizing side effects, and noted that an in vivo study will follow to assess efficacy.
479 citations
,
January 2005 in “BioEssays” This review introduces the morphological and molecular principles of hair follicle development but reports no new experimental results, focusing on recent insights and forming a working hypothesis.
8 citations
,
January 2007 in “International Society of Hair Restoration Surgery” This article discusses the concept of using a centralized forelock presented by Manny Marritt nearly 14 years ago, and reports no new clinical results.
16 citations
,
August 2014 in “Archives of Pharmacal Research” This study found that surface-modified liquid crystalline nanoparticles significantly enhanced skin permeation of finasteride and dutasteride compared to unmodified nanoparticles, suggesting potential for improved treatment efficacy in androgenetic alopecia.
11 citations
,
January 2006 in “Drug development and industrial pharmacy” In this study, adding TPGS to a minoxidil formulation improved local retention and reduced systemic absorption in certain solvent mixes, particularly with a balance of alcohol and PEG 400.
5 citations
,
January 1994 in “Skin Pharmacology and Physiology” This study found that minoxidil forms a reservoir in the skin, allowing sustained drug delivery even after cleansing, while propylene glycol does not.
3 citations
,
February 2013 in “Journal of Medicinal Plants Research” This study found that both crude Spirulina extract and C-phycocyanin showed similar effects on keratinocyte proliferation and wound healing, with C-phycocyanin performing better in tissue regeneration in vivo on the 7th day.