December 2023 in “Lasers in Medical Science” Fractionated laser therapy, especially erbium-glass laser, effectively increases hair thickness in people with hair loss but doesn't increase the number of hairs.
January 2023 in “Journal of surgery and research” New treatment effectively reverses hair thinning in most patients with mild side effects.
January 2020 in “International journal of scientific research” Dermoscopy shows that varying hair shaft thickness and single hair follicles are main signs of male pattern baldness, especially in the fronto-temporal region.
Optical Coherence Tomography has potential in diagnosing hair loss and monitoring blood clotting, and could be improved for deeper tissue observation and better hair loss understanding.
January 2018 in “Indian Dermatology Online Journal” A child with Olmsted syndrome showed mild improvement in hair and skin issues with treatment.
June 2008 in “British Journal of Dermatology” Herpes gestationis is linked to certain antigens, atopic eczema affects T cell populations and may be eased by breastfeeding, higher doses of anti-androgen treatment can improve androgenic alopecia, topical minoxidil increases hair thickness, long-term methotrexate therapy can cause liver fibrosis in psoriasis patients, and Lichen Sclerosus et Atrophicus patients aren't at higher risk for autoimmune disorders.
September 2004 in “Fertility and Sterility” Norplant implants lower some androgen levels but don't significantly change sexual function.
January 1989 in “Oxford University Research Archive (ORA) (University of Oxford)” Spironolactone effectively reduces unwanted hair growth in women with hirsutism.
April 2023 in “Dohuk medical journal” Trichoscopy effectively differentiates Androgenetic Alopecia from Telogen Effluvium.
January 2022 in “Experimental Dermatology” Minoxidil solution and foam both increase hair growth, but the solution works better than the foam.
January 2022 in “International Journal of Trichology” Using both PRP and minoxidil together works better for treating hair loss in men than using either one alone.
January 2021 in “International journal of dermatology, venereology and leprosy sciences” AGA and TE can be differentiated by specific trichoscopic features, with AGA showing more variation in hair thickness in fronto-temporal areas.
OCT can effectively diagnose different stages of hair loss non-invasively.
January 2018 in “Sohag Medical Journal” Combining topical dutasteride with microneedling is more effective for hair growth than microneedling alone.
December 1989 in “Inpharma (Balgowlah)” Cyproterone helps women with hair loss caused by genetics. More research is needed to confirm the best dose.
10 citations
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December 2020 in “Dermatologic Therapy” Minoxidil and spironolactone combo effectively treats androgenetic alopecia, improving hair density and diameter.
1 citations
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November 2022 in “Pharmaceutical research” The simulation showed that hypobaric pressure improves drug delivery through the skin, but stretching alone doesn't fully explain the increase.
KRTAP6 genes affect wool quality in sheep.
July 2023 in “International journal of trichology” Cellcurin therapy with microneedling increases hair density and thickness in treating hair loss in men and women.
September 2022 in “Canadian journal of animal science” Certain gene variations are linked to the thickness of cashmere goat hair.
405 citations
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January 2004 in “Journal of Investigative Dermatology” Hair follicle size and distribution vary significantly across different body sites.
40 citations
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December 2011 in “British Journal of Dermatology” Women's hair generally gets thinner and less dense starting in their mid-thirties, with hair loss becoming more common as they age due to both genetics and environment.
17 citations
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January 2011 in “Skin Research and Technology” Hair from people with seborrheic dermatitis is thicker scaled, more damaged, and thinner than healthy hair, and atomic force microscopy can help monitor the condition.
13 citations
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August 1995 in “Australasian Journal of Dermatology” Hair follicles are smaller in people with androgenetic alopecia compared to those with normal scalps.
2 citations
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December 2025 in “Cosmetics” Proper scalp care can improve hair health and delay ageing signs.
May 2025 in “Journal of Photochemistry and Photobiology B Biology” Blue LED light improves hair treatments for Caucasian and Asian hair but not for African hair.
April 2025 in “Frontiers in Animal Science” Sheep exosomes can enhance hair growth in mice.
September 2002 in “Dermatologic Surgery” The recipient site can affect the growth and survival of transplanted hair but not its thickness.
59 citations
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July 2015 in “Journal of innovative optical health sciences/Journal of innovation in optical health science” Nanoparticles around 600-700 nm can effectively enter and stay in hair follicles for days, which may help in delivering drugs to specific cells.
47 citations
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July 1967 in “Science” Not eating enough protein can cause hair roots to shrink and lose color, and hair to become thinner.