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September 1980 in “Experientia” Polyethylene alanine caused hair loss in young lab animals but not in adults, with hair regrowth occurring within 20 days.
September 2023 in “Journal of The American Academy of Dermatology” People were generally happy with the home light therapy devices for hair loss.
207 citations
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January 2011 in “Dermatologic Therapy” Laser hair removal is the most requested cosmetic procedure and has become a scientifically-based treatment suitable for all skin types.
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April 2019 in “Lasers in Medical Science” Laser and minoxidil combo promotes better hair growth than minoxidil alone, safely.
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December 2015 in “International Journal of Cosmetic Science” Visible light can improve skin disorders and hair loss, but more research is needed to understand long-term effects.
April 2019 in “Journal of Investigative Dermatology” Lichen planopilaris involves disrupted fat metabolism, increased scarring, and mast cell activity.
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December 2010 in “Series in cosmetic and laser therapy” January 2026 in “SSRN Electronic Journal”
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September 2011 in “Seminars in Cutaneous Medicine and Surgery” At-home laser and light skin devices are less effective than professional ones, with limited scientific evaluation, but some show promise for wrinkles, hair growth, and acne.
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May 2003 in “American Journal of Pathology” Prolactin affects hair growth cycles and can cause early hair follicle regression.
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March 2024 in “iScience” Long-lived proteins may predict age-related diseases.
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June 2013 in “Journal of Clinical Pathology” The LMNA mutation affects skin structure even in asymptomatic carriers.
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September 2002 in “Genes to Cells” Killing specific cells in hair follicles can lead to hair growth problems in mice.
March 2024 in “Cytologia” LncRNA MTC boosts growth of goat skin cells, improving cashmere quality.
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January 2012 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” The ESLD recommends international safety guidelines and standards for home-use light-based hair removal devices.
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January 2019 in “Experimental dermatology” Light therapy using helium-neon lasers can help restore skin color in vitiligo by promoting skin cell growth and movement.
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April 2025 in “Plants” Lambertianic acid helps prevent muscle wasting.
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May 2011 in “Journal of Clinical Oncology” Further testing of paclitaxel poliglumex for this cancer treatment is not justified.
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August 2018 in “International Journal of Dermatology” Lupus panniculitis of the scalp causes linear hair loss and needs ongoing treatment to prevent recurrence and lupus.
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June 2008 in “Journal of the American Academy of Dermatology” The conclusion is that certain scalp tissue changes are characteristic of lichen planopilaris, with mucinous perifollicular fibroplasia being a new feature for diagnosis.
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September 2025 in “Journal of Zhejiang University SCIENCE B” Photodynamic therapy successfully treated skin cancer in a 53-year-old woman.
Melatonin may protect hair follicle stem cells from damage caused by chemotherapy.
The 1550 nm fractional Er:Glass laser improved hair regrowth in patients with androgenic alopecia, but didn't significantly change collagen type I, skin fibroblasts, or macrophages. More research is needed for optimal results.
December 2025 in “Lasers in Surgery and Medicine” September 2022 in “Health and Medical Journal” Minoxidil and oral antioxidants helped improve hair growth in a patient with hair loss due to lupus.
October 2025 in “Journal of the Endocrine Society” Combining medication and minimally invasive techniques can effectively manage Marine-Lenhart syndrome.
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August 2020 in “Natural Product Communications” A mix of Platycladus orientalis leaf extract and alpha-terpineol helps mice grow hair by increasing growth factors and cell growth.
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March 2020 in “QJM: An International Journal of Medicine” Lactoferrin levels are lower in people with chronic hair shedding, suggesting supplements could help treat it.