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January 1977 in “PubMed” The hair keratin variant is mostly found in Caucasians.
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April 2016 in “Experimental Dermatology” Photobiomodulation may help with hair growth and wound healing, but research is inconsistent and needs better quality studies.
November 2025 in “International Journal of Biological Macromolecules” This eco-friendly hair dye method improves hair health and color durability.
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January 1977 January 2024 in “LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas)” Carbon Quantum Dots can effectively detect cobalt ions and methylcobalamin in water.
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April 2002 in “The journal of investigative dermatology/Journal of investigative dermatology” Vitamin D3 is important for hair growth and protecting skin from damage caused by long-term sun exposure.
January 2010 in “Nihon Hou Kagaku Gijutsu Gakkaishi” The modified staining method can determine the ABO blood group of hair samples accurately.
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July 1979 in “Archives of Dermatology” Patients with renal disease should be cautious with vitamin A supplements due to risk of toxicity.
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July 1997 in “British Journal of Dermatology” LHTric-1 is a specific antibody useful for studying hair and nail formation.
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April 2013 in “SpringerPlus” Human skin's melanocytes respond to light by changing shape, producing pigments and hormones, which may affect sleep patterns.
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April 2003 in “European journal of pharmaceutical sciences” Lipophilic dyes accumulate more in hair follicles when delivered with surfactant-propylene glycol solutions.
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October 2021 in “Clinical and experimental dermatology” Cyperus rotundus essential oil effectively treats underarm darkening, reduces inflammation, and slows hair growth.
June 2023 in “CHEDS Journal of Chemistry Education and Science” Green spinach leaves can be an effective and liked hair tonic for hair loss.
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February 1985 in “Archives of dermatological research” Hair dyes penetrate the scalp very minimally, less than 1%.
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January 2002 Hair shine can be measured by how it reflects laser light.
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June 2021 in “Asian Journal of Medical Sciences” Vitamin B12 deficiency can cause reversible skin darkening.
October 2025 in “Animals” Blue light masks improved coat condition and energy in horses with PPID.
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February 2019 in “Journal of oceanology and limnology (Online)” Ecklonia cava extract can reduce the damage and stress caused by hair dye.
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November 2021 in “Oman Medical Journal” Cyclosporine A treatment caused rare hair repigmentation in a 65-year-old man.
July 2014 in “Americanae (AECID Library)” Tridax procumbens and Ouratea spectabilis can affect other plants' growth and have antioxidant benefits.
January 2024 in “Australasian journal of dermatology (Print)” A boy's hair turned red because of genetic mutations, not lack of zinc.
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July 2012 in “Stem Cells and Development” Low-dose UVB light improves hair growth effects of certain stem cells by increasing reactive oxygen species.
August 2023 in “International Journal of Cosmetic Science” Rosemary extracts, specifically compounds like rosmarinic acid and carnosic acid, can protect hair from UV damage.
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January 2001 in “Comprehensive series in photosciences” UV radiation significantly damages hair, especially with humidity, making it more vulnerable to further damage.
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April 1985 in “Journal of the American Academy of Dermatology” Topical PUVA can cause temporary hair regrowth in some alopecia areata patients but doesn't change the long-term outcome.
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September 2014 in “Molecular Plant” CLE40 and CRN/CLV2 pathways have opposite effects on root growth in Arabidopsis.
The combined treatment increased hair density in most patients with Androgenetic Alopecia.
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January 2011 in “Archives of Dermatology” Reflectance confocal microscopy confirms that yellow dots are signs of damaged hair follicles in alopecia areata.
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January 2002 in “Journal of Structural Biology” Trichocyte filaments have a low-density core and may include proteins for hair structure.