191 citations
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November 1959 in “Annals of the New York Academy of Sciences” Hair and wool have complex microscopic structures with microfibrils and varying cystine content.
12 citations
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December 2017 in “Food and chemical toxicology” Permanent hair dye mixtures can irritate and damage the skin.
3 citations
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August 2010 in “Letters in Drug Design & Discovery” January 2017 in “대한본초학회지(본초분과학회지)” Sinseon-yukza-hwan shows strong antioxidant potential for hair and scalp cosmetics.
15 citations
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January 2024 in “Chemical Engineering Journal”
1 citations
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January 2015 in “Journal of Society of Cosmetic Chemists of Japan” Keratin film can effectively measure hair texture and adsorption properties.
May 2013 in “International journal of innovative research and development” The document concludes that understanding hair's chemical makeup is key to creating effective hair growth products that also improve social confidence.
5 citations
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October 2013 in “Experimental Dermatology” The commentary explains that a balance of HR protein and putrescine is important for normal hair growth.
45 citations
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June 2008 in “Journal of pharmaceutical and biomedical analysis” The method effectively identifies banned substances in hair loss and skin disease cosmetics.
6 citations
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January 1988 in “Japanese Journal of Medicine” Hair glycation levels can indicate long-term blood sugar control.
July 2025 in “Journal of Investigative Dermatology” 1 citations
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January 2025 in “International Journal of Cosmetic Science” Age-related hair curvature increases due to internal structural changes from grooming.
26 citations
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August 2014 in “Veterinary Dermatology” Sphynx cats have abnormal hair follicles and keratinization affecting their skin.
June 2024 in “Archives of Dermatological Research” SFRP2 and PTGDS may be key factors in female hair loss.
7 citations
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June 1989 in “Steroids” Researchers successfully made new compounds for hormone level tests, but one attempt led to an unexpected product, correcting a past error.
7 citations
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June 2019 in “Coloration Technology” Translucent keratin films are better for testing hair dyes.
January 2006 in “Dianzi xianwei xuebao” Netherton syndrome causes specific skin and hair changes that help in early diagnosis.
8 citations
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June 2020 in “The journal of investigative dermatology/Journal of investigative dermatology” A boy's skin fragility and sparse hair were caused by a genetic mutation affecting skin cell adhesion.
Researchers developed a cost-effective, ethical skin model using hairless guinea pig cells for toxicology studies.
7 citations
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June 2010 in “Bioorganic & medicinal chemistry letters” Two new compounds were found to effectively reduce hair growth in mice.
March 2026 in “Adipocyte” Spt4 and Spt6 are essential for fat cell development.
March 2026 in “Dicle Medical Journal / Dicle Tip Dergisi” Blood groups are not linked to hidradenitis suppurativa.
To repair damaged hair, use products with proteins, lipids, and moisture like keratin, citric acid, and oils.
3 citations
,
June 2023 in “ACS sustainable chemistry & engineering” The study found a green method for strengthening hair works on all hair colors and is eco-friendly.
3 citations
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July 2023 in “International Journal of Biological Macromolecules” The hydrogel helps heal wounds and regrow hair by mimicking a baby's environment.
5 citations
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January 2011 in “International Journal of Cosmetic Science” 1,2,3,4-tetrahydroquinoline compounds are great for stable, pure blue hair dye.
December 2025 in “Rapid Communications in Mass Spectrometry” Pepsin digestion improves accuracy in analyzing proteins in human hair.
32 citations
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February 2018 in “Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy” Cosmetic residues on individual hairs can be identified and differentiated using ATR FT-IR microspectroscopy.
The document's conclusion cannot be provided because the document is not available or cannot be read.
25 citations
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October 1962 in “Journal of Ultrastructure Research” The hair follicle structure is more complex than thought, with new findings on protein formation.