Gray hair affects hair's movement and appearance, making it less bouncy and more wavy.
January 2012 in “Heilongjiang xumu shouyi” EGF and KGF affect wool fineness in Gansu alpine Merino sheep.
January 2013 in “Wool textile journal” 6 citations
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August 2013 in “Facial plastic surgery clinics of North America” Dense packing fits many hair grafts closely together for a natural look but isn't suitable for everyone.
1 citations
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August 2024 in “Journal of Cosmetic Dermatology” Oscillatory punches work better for soft scalps or deep punches in FUE surgery.
5 citations
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January 1992 Silicones in shampoos make hair smoother, easier to manage, and reduce friction.
19 citations
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July 2017 in “PLoS ONE” Cell characteristics change with passage numbers, affecting experiment results.
October 2024 in “INNOVATION RESEARCH JOURNAL” More severe acne leads to a lower quality of life for teenagers.
9 citations
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September 2014 in “British journal of dermatology/British journal of dermatology, Supplement” Pseudofolliculitis cutis causes painful skin bumps and needs proper shaving and treatments to manage.
A runner developed tangled armpit hairs from shirt friction, preventable by shaving or wearing smooth shirts.
Different treatments change the strength and flexibility of human hair.
34 citations
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July 1987 in “The Journal of dermatologic surgery and oncology” Improved dermabrasion techniques in 1987 led to better treatment results for skin issues like acne scars.
3 citations
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August 2018 in “Deleted Journal” Guasha changed rat skin appearance and blood vessels temporarily without affecting certain nerve proteins or fiber structure.
7 citations
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October 1963 in “Textile Research Journal” Merino wool fibers change shape with moisture, while human hair shape stays the same.
4 citations
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June 2022 in “Clinical, cosmetic and investigational dermatology” The new SFS Scale predicts hair transplant difficulty using hair and skin types, with thick skin and coily hair being hardest to work with.
45 citations
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August 2013 in “Facial Plastic Surgery Clinics of North America” Using sharp tools and the right techniques in hair transplant surgery leads to less damage to hair follicles.
65 citations
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May 2006 in “Journal of Structural Biology” Hair curliness is due to uneven distribution of different cortices within the hair fiber.
4 citations
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November 2016 in “The Journal of Dermatology” Pili torti hair is fragile due to loose keratin filaments and weak disulfide bonds.
85 citations
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October 2007 in “International Journal of Dermatology” Curly hair shape is due to uneven growth patterns in the hair follicle.
Light tickling can be unpleasant and may feel worse for individuals with autism.
6 citations
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April 2001 in “The Anatomical Record” A new method using hair pores can help align skin grafts better, improving results.
December 2025 in “Nature Communications” Club-like receptors detect light touch but not whisking.
January 2013 in “IRIS UNIMORE (University of Modena and Reggio Emilia)” Hydrophobized silica nanoparticles penetrate the skin's outer layer more effectively, while hair follicle density doesn't impact their accumulation.
1 citations
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July 2024 in “International Journal of Cosmetic Science” Hair curvature is the main factor affecting curly hair manageability and product preferences.
October 2021 in “Journal of Investigative Dermatology” Skin cell strength decreases significantly as we age.
9 citations
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September 2016 in “Plastic and reconstructive surgery. Global open” The curved nonrotary punch is better for hair extraction in people with tightly curled hair.
95 citations
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January 2009 in “Journal of Biomedical Optics” Nanoparticles penetrate hair follicles better when their size matches the cuticula thickness.
1 citations
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July 2017 in “Hair transplant forum international” Scalp laxity, elasticity, and glidability are important in hair transplants and can predict scar width at the donor site.
13 citations
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January 2019 in “Journal of the American Academy of Dermatology” Pityriasis rubra pilaris significantly worsens quality of life more than many other health conditions.
April 2023 in “Journal of Investigative Dermatology” New method measures skin cell turnover quickly and effectively, showing turnover slows with age and responds more to treatments in older skin.