May 2024 in “Journal of cosmetic dermatology” The study concluded that dutasteride 0.5 mg daily for 24 weeks was the most effective monotherapy for increasing hair density in men with androgenetic alopecia, compared to other interventions.
April 2022 in “Authorea (Authorea)” This study reports two cases where localized prostate cancer with low PSA levels was incidentally detected through CT scans performed for other medical reasons.
November 2014 in “Hair transplant forum international” This discussion presents insights by Dr. Jonathan Ballon but does not report new clinical findings.
400 citations
,
January 2014 in “British Journal of Sports Medicine” This consensus statement discusses guidelines for screening, diagnosing, and treating the Female Athlete Triad, and introduces a risk stratification system to assist healthcare providers with sports participation decisions.
160 citations
,
January 2009 in “Clinical Drug Investigation” This study found that the HairMax LaserComb® significantly increased hair density and was safe and well tolerated for treating androgenetic alopecia in men compared to a sham device.
4 citations
,
January 2002 in “Journal of Cosmetic Dermatology” This study found that long-pulsed ruby laser treatment effectively reduced hair density on the beard and chest of male-to-female transsexuals, achieving a 50–90% reduction maintained over six months.
25 citations
,
May 2011 in “Annals of Plastic Surgery” This study reported that follicular unit extraction using nonhead hair sources like the chest or beard may successfully restore hair density and achieve aesthetically pleasing results in severely bald men with limited head donor hair.
11 citations
,
January 2020 in “Skin appendage disorders” This study reviewed clinical trials and found that low-level laser therapy significantly increased hair diameter or density in both men and women with pattern hair loss compared to a sham device, though the involvement of industry relationships in some studies suggests cautious interpretation.
July 2025 in “Highlights in Science Engineering and Technology” In this study, researchers found that nanomaterials designed for plastic surgery applications show promising results, including a 95% dynamic wrinkle filling rate and enhanced hair density by 41%; however, challenges like potential long-term safety issues and high production costs must be addressed.
January 1998 in “Lasers in Surgery and Medicine” This study found that both 5-ALA and Photofrin can effectively destroy human microvascular endothelial cells in vitro and cause tissue necrosis in vivo, with Photofrin showing greater efficacy at lower concentrations or power densities.
12 citations
,
May 2018 in “JAAD Case Reports” This case report describes a patient with psoriasis who experienced scalp hair darkening and increased growth during anti–IL-17 therapy.
33 citations
,
November 2019 in “Journal of Controlled Release” In this study, researchers developed a new self-administered finasteride delivery system using powder-carrying microneedles that improved hair growth efficacy and addressed safety concerns compared to topical finasteride gel by allowing sustained intradermal release of the drug for three days with a single application.
19 citations
,
September 2009 in “Journal of Chemical & Engineering Data” This study found that the solubilities of flutamide, dutasteride, and finasteride in supercritical carbon dioxide were effectively modeled using semiempirical equations by Chrastil and Bartle, with varying levels of accuracy.
3 citations
,
August 1995 in “Journal of Clinical Laser Medicine & Surgery” Using a CO₂ laser for hair transplants improves the surgery and may become important in future hair restoration.
1 citations
,
September 2025 in “Physiologia” This study found that systemic ovalbumin–aluminum sensitization followed by cutaneous challenge in mice induced thermal hyperalgesia, increased spinal cord gliosis, and sprouting of nociceptive fibers, along with elevated mast cell and nerve profile densities in the skin compared to controls.
1 citations
,
March 2024 in “Brain Imaging and Stimulation” This study reported that a 3D-printed LED photobiomodulation device is technically and financially feasible, but requires further experimental and clinical testing before being used in human healthcare.
November 2024 in “Health Science Reports” This systematic review found that light and laser therapies, including excimer and erbium-glass lasers, generally increase hair density and diameter in various types of alopecia, with particularly notable effects in androgenic alopecia but limited efficacy in telogen effluvium.
September 2022 in “Applied sciences” This study found that adding microneedling with low-level LED therapy and growth factors to Finasteride® treatment led to significant hair regrowth and increased hair density in patients with androgenic alopecia.
November 2020 in “Journal of The American Academy of Dermatology” This study found that a daily dose of 1 mg finasteride is effective for treating male pattern baldness, but benefits typically require at least three months to manifest and ongoing treatment is necessary to maintain results.
10 citations
,
January 2012 in “Journal of biomedical optics” This study used ultrahigh-resolution optical coherence tomography to observe hair shaft structures, finding melanin granules absent only in white hair, which may explain color differences between black and white hair.
266 citations
,
November 2013 in “European Journal of Epidemiology” This article outlines the rationale and design of the Rotterdam Study, summarizes its major findings, and updates its objectives and methods; it reports no new research results.
108 citations
,
December 2003 in “Lasers in surgery and medicine” This study found that combining near-infrared laser phototherapy with indocyanine green application may improve acne vulgaris by reducing active lesions and inflammation without side effects.
77 citations
,
April 1999 in “Dermatologic Clinics” This article reviews how new observations have revolutionized surgical hair restoration and highlights the logical applications and prior illogical judgments that delayed this advancement, without reporting new results.
26 citations
,
October 2017 in “Scientific reports” This study found that a bacterial endophyte from Zea nicaraguensis effectively targets and colonizes plant root hair cells, promoting growth and solubilizing insoluble phosphorus for nutrient uptake.
15 citations
,
June 2015 in “Lasers in Medical Science” This study found that low-level laser therapy with an 830-nm wavelength most significantly stimulated hair growth in rats, compared to other wavelengths tested.
12 citations
,
October 2012 in “Dermatologic Clinics” This review discusses the use of electromagnetic radiation, including low-level laser therapy, for hair loss management, but it reports no new clinical results and suggests further research.
2 citations
,
November 2020 in “Scientific Reports” This study reported that metallic-glass-coated tattoo needles reduced trauma and improved tattoo quality in pig skin experiments compared to uncoated needles.
2 citations
,
July 2004 in “Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE” This study found that multiple treatments combining NIR laser phototherapy with ICG significantly reduced inflammation and improved skin condition in acne without side effects.
June 2026 in “arXiv (Cornell University)” This study investigated the dynamic mechanical properties of fluid-immersed elastic hair beds under oscillatory shear flows, revealing a nonlinear response influenced by driving frequency and amplitude, which impacts mechanosensory signaling stability in biological processes like vasodilation and ciliary remodeling.
January 2018 in “Springer eBooks” This abstract describes the use of lasers in hair transplantation for creating recipient sites and enhancing hair growth but reports no new findings.