1 citations
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October 2009 in “International Journal of Cosmetic Science” A new keratin treatment can strengthen and protect aging hair.
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June 2008 in “British Journal of Dermatology”
27 citations
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September 2017 in “Journal of Medicinal Food” Annurca apple supplement safely increases hair growth and keratin in humans.
September 2022 in “KnE medicine” Higher candle nut oil concentration increases droplet size and changes the hair tonic's properties and stability.
8 citations
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May 2005 in “The American journal of dermatopathology/American journal of dermatopathology” The hair defect is due to abnormal inner root sheath keratinization.
January 2023 in “Clinical and Experimental Dermatology” Oral minoxidil may help improve fragile hair.
6 citations
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January 2015 in “Indian Dermatology Online Journal” PEODDN is a rare skin disorder with limited treatment options, best treated with laser therapy.
7 citations
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December 1971 in “Calcified Tissue Research” Hair follicles in injured skin can quickly accumulate minerals, especially calcium and phosphorus.
June 2025 in “British Journal of Dermatology” Licensed hair gloss products improve shine and smoothness but require stricter regulation to ensure safety.
13 citations
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November 1959 in “Annals of the New York Academy of Sciences” 13 citations
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January 2001 in “Pediatric dermatology” A dark-haired Chinese girl had hair that looked banded under certain light but was normal under a microscope.
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March 1991 in “Journal of Investigative Dermatology” 11 citations
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January 1977 in “Archives of dermatological research” Mouse tail skin has different keratinization near hair follicles and scales.
June 2021 in “The Journal of Family Practice” A 69-year-old woman has a fast-growing hand lesion that didn't improve with salicylic acid.
January 2019 in “Proceedings for Annual Meeting of The Japanese Pharmacological Society” Nε-(carboxymethyl) lysine delays hair growth by blocking a key protein.
January 1991 in “Acta Dermato Venereologica” A new method effectively visualizes keratin in hair without harsh chemicals.
September 2017 in “Dermatologic Surgery”
1 citations
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June 2019 in “International Journal of Applied Pharmaceutics” Nanostructured lipid carriers can effectively repair hair split-ends for over 3 days.
14 citations
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April 1976 in “Journal of Cutaneous Pathology” A calcified nodule on a boy's face came from hair follicles and expelled calcium through the skin.
October 2024 in “Skin Research and Technology” Pili annulati causes zebra-striped hair but doesn't affect hair strength or quality of life.
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July 2008 in “Archives of Dermatological Research”
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October 2018 in “Nutrients” Annurca apple extract promotes hair growth by changing hair follicle metabolism to boost keratin production.
March 2016 in “The Korean Society of Beauty and Art” MSG-based hair hardener improves hair thickness, strength, and wave retention after perms.
1 citations
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December 2020 in “Journal of Cosmetic Dermatology” The cosmetic product effectively reduced hair growth and thickness on forearms.
4 citations
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January 2017 in “Annals of Dermatology” Frequent hairdryer use may worsen hair fragility in people with Pili Annulati.
November 2024 in “bioRxiv (Cold Spring Harbor Laboratory)” Nitrate can boost hair growth by activating certain pathways and reducing others.
January 2023 in “Skin appendage disorders” Two Hispanic women developed Plica neuropathica, a condition causing tangled hair, possibly due to hair damage and various risk factors.
July 2025 in “JAAD Case Reports”
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December 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” Nicotinamide applied to the scalp can slow down hair growth.
May 2020 in “International Journal of Dermatology and Venereology” Calcified epidermal cysts are rare, hard skin nodules that are best treated with surgical removal.