5 citations
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June 2019 in “British Journal of Dermatology” Chemical hair straightening may be linked to a type of permanent hair loss.
13 citations
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June 2011 in “International Journal of Cosmetic Science” Human hair absorbs calcium and magnesium from tap water, affecting its structure and styling properties.
9 citations
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January 2011 in “Journal of X-ray science and technology” Perming and bleaching damage hair differently, with bleached hair having more cysteic acid in the cuticle.
Prussian Blue causes hair cuticles to detach, weakening the hair.
20 citations
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January 2010 in “Biological Trace Element Research” June 1996 in “Journal of Dermatological Science” 8 citations
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March 2020 in “Colloids and surfaces. B, Biointerfaces” Heating hair proteins changes their structure and may improve their blood clotting ability.
December 1991 in “Annals of the New York Academy of Sciences” April 2022 in “Book Publisher International (a part of SCIENCEDOMAIN International)” Catalase in processed meats may emit electromagnetic fields that increase cancer risk.
January 2023 in “Cutaneous and Ocular Toxicology” 5 citations
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August 2016 in “International Journal of Cosmetic Science” Shampoo coacervates can cause scalp irritation due to released surfactants.
3 citations
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December 2018 in “Biomedical and pharmacology journal/Biomedical & pharmacology journal” Compound 3 protects the heart from damage by activating A1-adenosine receptors.
November 2025 in “International Journal of Science and Research Archive” Oxidative dyes damage hair more than semi-permanent dyes, but new technologies help protect hair while coloring.
1 citations
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December 2019 Selenium is essential for health, but too much or too little can cause problems; blood selenium levels are a good measure of intake.
April 2024 in “BMB Reports” Lack of Cisd2 disrupts calcium balance in cells, leading to poorly functioning neutrophils.
4 citations
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November 2018 in “Journal of pharmacological sciences” Mild exercise reduces pain in older rats through a brain chemical, while intense exercise reduces pain in all rats through a different pain-blocking process.
November 2025 in “The Journal of Dermatology” Chemical leukoderma is temporary, while chemical-induced vitiligo can be persistent and harder to treat.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” Activating mitophagy may help manage a key immune response involved in the hair loss condition alopecia areata.
49 citations
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September 2004 in “Journal of the European Academy of Dermatology and Venereology” Careful light microscopy is crucial for detecting mild cases of pili annulati, which weakens hair and varies widely in expression.
4 citations
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August 2016 in “PubMed” Repeated dyeing and shampooing cause hair color loss and damage.
25 citations
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May 2008 in “Journal of cosmetic dermatology” Conditioning agents, especially jojoba oil and lauryl PEG/PPG-18/18 methicone, protect and strengthen chemically straightened Afro-ethnic hair.
82 citations
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March 1992 in “Journal of Investigative Dermatology”
January 2011 in “Journal of Society of Cosmetic Chemists of Japan” 18-MEA and SPDA can restore damaged hair's smoothness and reduce frizz.
February 2019 in “International Journal of Dermatology and Clinical Research” Nε-(carboxymethyl) lysine delays hair growth by blocking a key protein.
11 citations
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October 2020 in “PLoS ONE” Cooling can protect hair follicles from chemotherapy damage by reducing drug uptake.
2 citations
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January 2015 8 citations
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March 2015 in “Molecular Medicine Reports” Hair dye ingredient PPD causes cell death and aging in human hair cells by altering microRNA levels.
14 citations
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December 2017 in “Journal of Intensive Care” Lithium poisoning can cause severe health complications and requires careful monitoring.
September 2024 in “Heliyon” Repeated hair dyeing significantly damages hair.
September 2025 in “Clinical Toxicology” Contaminated wheat caused hair loss and other symptoms due to high selenium, but washing it with alkaline water helped.