1 citations
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January 2024 in “Annals of Dermatology” Examining hair shape can help predict Alopecia Areata's progression.
September 2019 in “Journal of Investigative Dermatology” People with pattern hair loss have higher polyamine levels in the top of their head compared to the back.
5 citations
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September 2023 in “Pediatric Research”
February 2026 in “International Journal of Molecular Sciences” PDLLA filler can improve hair thickness and shine by reducing age-related hair decline.
April 2025 in “Ukrainian Journal of Veterinary and Agricultural Sciences” Adding a water-soluble fatty acid complex to sheep diets improves wool growth by increasing primary hair follicle size and density.
July 2018 in “Elsevier eBooks” Stopping tight hairstyles can prevent and reduce traction alopecia.
September 2024 in “Journal of the American Academy of Dermatology” Dermatologists can detect smaller hair density changes than previously thought.
3 citations
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January 1994 in “Journal of Society of Cosmetic Chemists of Japan” Hair grows slower and thinner with age, but a test tonic improved growth in alopecia subjects.
February 2014 in “Journal of medical sciences” Treating androgenic alopecia can significantly increase hair thickness, especially in males, with hair color and scalp location also affecting hair diameter.
4 citations
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March 2015 in “Skin Research and Technology” Trichotillometry is a reliable method to measure hair strength and assess hair loss treatments.
December 2025 in “Russian Journal of Skin and Venereal Diseases” Thinner hair follicle structures are linked to non-scar alopecia.
SMP creates illusion of full hair, addressing various issues and bringing happiness to those with thinning hair.
6 citations
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January 2016 in “International journal of trichology” Children's hair is more elastic, but tensile strength is similar across different factors.
5 citations
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March 2009 in “Pediatric Dermatology” The study found that pili bifurcati causes hair to intermittently split into two branches, each with its own outer layer.
November 2024 in “Journal of Microscopy” Human hair varies in structure based on curl type, with high curl hair showing the most differences.
9 citations
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March 2005 in “International Journal of Cosmetic Science” The torsional method effectively evaluates hair damage and the performance of hair care ingredients.
April 2017 in “Journal of Dermatological Science” Asymmetric hair follicle differentiation causes the unique shape of kinky hair.
A 5-year-old girl has sparse, dry, and brittle hair but is otherwise healthy.
52 citations
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April 2016 in “Journal of the American Academy of Dermatology” Certain black hairstyling practices increase the risk of traction alopecia, requiring better management and education.
2 citations
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July 2013 in “Acervo Digital da Universidade Estadual Paulista (Universidade Estadual Paulista)” The shampoo effectively defines and models curls while reducing frizz and volume.
4 citations
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October 2019 in “Journal of Dermatological Treatment” Monofilament Threads significantly improve hair growth in women with pattern hair loss and are safe.
16 citations
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November 2013 in “European Journal of Dermatology” Hair gets thinner and grayer with age, and density decreases more in men on top and in women on top and back.
3 citations
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January 1981 Tight traditional hairstyles can cause hair loss.
3 citations
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July 2019 in “Fibers And Polymers/Fibers and polymers” 56 citations
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January 1970 in “Cell and Tissue Research” January 2010 in “SÖFW-Journal” A natural moisturizer can make hair stronger.
4 citations
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April 1983 in “The Journal of Dermatology” A 15-year-old girl with hypothyroidism had excess hair and skin issues due to blocked hair follicles.
June 2022 in “Dermatologic Therapy” Oral minoxidil and growth factors improved hair density and thickness in a girl with hereditary hair loss.
71 citations
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May 2006 in “The journal of investigative dermatology/Journal of investigative dermatology” TTD hair brittleness is caused by multiple structural abnormalities.
January 2009 in “Nihon Keshouhin Gijutsushakaishi/Journal of S C C./Nihon Keshouhin Gijutsushakai kaishi” Curved human hair has different structures on each side, which might cause its shape and is similar to wool.