127 citations
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June 2008 in “British Journal of Clinical Pharmacology” Low doses of some substances can be beneficial, while high doses can be harmful or toxic.
122 citations
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November 1998 in “Archives of Dermatology” Aromatherapy with certain essential oils is a safe and effective treatment for hair growth in alopecia areata patients.
119 citations
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January 2014 in “Indian Journal of Dermatology, Venereology and Leprology” Platelet-rich plasma might help with hair growth and skin conditions, but more research is needed to prove its effectiveness and safety.
115 citations
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May 2016 in “Clinical Medicine & Research” TSH is usually the only test needed to check thyroid function in primary care.
106 citations
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March 2014 in “BioEssays” We need more research to better understand human hair follicle stem cells for improved treatments for hair loss and skin cancer.
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October 2000 in “The FASEB Journal” The p75 neurotrophin receptor is important for hair follicle regression by controlling cell death.
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December 2012 in “Journal of The European Academy of Dermatology and Venereology” Injecting CD34+ cell-containing platelet-rich plasma into the scalp can improve hair count and thickness in people with pattern hair loss.
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March 2020 in “Australian Dental Journal” Platelet-rich plasma might help tissue regeneration in dentistry, but results vary and more research is needed.
71 citations
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November 2013 in “Clinics in Dermatology” Acne is a chronic disease linked to various systemic conditions and has significant psychological and social effects.
66 citations
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June 2015 in “Aesthetic Plastic Surgery” Platelet preparations generally show positive effects on wound healing and facial rejuvenation, but more thorough research is needed to confirm their effectiveness.
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February 2009 in “The journal of investigative dermatology/Journal of investigative dermatology” Anti-acne medications may work by reducing the activity of a protein involved in acne development.
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November 2016 in “Nanoscale” Medium to larger nanogels effectively deliver drugs through hair follicles when heated.
60 citations
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December 2015 in “Clinical and experimental dermatology” Laser hair removal improves quality of life but emotional benefits decrease over time, suggesting more treatments are needed for lasting effects.
58 citations
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April 2009 in “Dermatologic Surgery” Most women have a widow's peak and specific hairline features useful for designing hair restoration surgery.
54 citations
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January 2016 in “Cell reports” Activating β-catenin in different skin stem cells causes various types of hair growth and skin tumors.
51 citations
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March 2014 in “Nature Communications” Skin tumor regression is helped by retinoic acid signaling blocking Wnt signaling.
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April 2013 in “Journal of Investigative Dermatology” Hair follicle stem cells rely on nearby blood vessels for their maintenance and function.
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May 2020 in “Frontiers in Public Health” Insulin resistance linked to obesity may increase COVID-19 severity.
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April 2010 in “International Journal of Cosmetic Science” Hair ages as the cuticle wears down, especially beyond 1 meter from the root, affecting its strength and shine.
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August 2006 in “PubMed” A genetic defect causes males in some Mediterranean populations to be born with ambiguous genitalia and develop male traits at puberty.
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December 2015 in “Stem Cells International” Mesenchymal stem cells help improve wound healing by reducing inflammation and promoting skin cell growth and movement.
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September 2020 in “BMC Endocrine Disorders” Existing drug dexamethasone may lower death risk in severe COVID-19 cases; more research needed for other drugs.
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December 2009 in “The International Journal of Developmental Biology” Too much thymosin beta4 causes weird teeth and more hair growth in mice.
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May 2006 in “Journal of Investigative Dermatology” PTHrP and its receptor can control blood vessel growth and hair development in mouse skin.
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June 1995 in “Journal of Pharmaceutical Sciences” More ethanol increases minoxidil delivery, but too much lowers efficiency.
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September 2016 in “Dermatologic Surgery” The evidence for using Low-Level Laser Therapy for hair loss is limited and more thorough research is needed.
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March 2015 in “The Journal of Steroid Biochemistry and Molecular Biology” Neuroactive steroids could become safe, effective treatments with more understanding of their complex brain actions and metabolism.
30 citations
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December 1999 in “International Journal of Dermatology” Finasteride increases hair count in middle-aged and elderly men without causing sexual dysfunction.
29 citations
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August 1999 in “Journal of Investigative Dermatology” New mutations in hair keratin genes cause the rare hair disorder monilethrix.
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February 2021 in “Stem Cell Research & Therapy” Placental cell medium boosts blood vessel growth in lab tests.