Hair can naturally regain color after greying, and this change may be linked to stress levels.
Hair can naturally regain color, and stress might influence greying and its reversal.
January 2012 in “Human health handbooks” Low-level light therapy is FDA-approved for male pattern hair loss, increases hair count and strength, and is considered safe for use.
122 citations
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January 2006 in “Molecular & Cellular Proteomics” Human hair contains many proteins, with some being highly abundant and modified.
99 citations
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April 1998 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair follicles help skin immune recovery after UVB exposure.
15 citations
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March 2021 in “Journal of Nanobiotechnology” A new method was developed to grow and maintain human hair follicle stem cells for hair reconstruction.
8 citations
,
January 2020 in “International Journal of Trichology” Silymarin improves hair follicle health better than vitamin C by boosting cell growth and reducing oxidative stress.
June 2025 in “Rapid Communications in Mass Spectrometry” The new method improves protein extraction and analysis in hair, aiding biomedical and forensic work.
November 2015 in “Summit (Simon Fraser University)” Surgical stress temporarily changes hair fiber dimensions, returning to normal after four weeks.
25 citations
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September 2020 in “Molecules” Quercitrin may help treat hair loss by promoting hair growth and improving cell health.
23 citations
,
November 2001 in “Archives of Dermatology” Genetic discoveries are key for understanding, diagnosing, and treating inherited hair and nail disorders.
17 citations
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April 2021 in “Molecules/Molecules online/Molecules annual” Linoleic acid from Malva verticillata seeds may help treat hair loss by promoting hair cell growth and blocking baldness signals.
12 citations
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May 2016 in “Experimental Dermatology” A new skin model from hair follicles is a safer, simpler alternative for skin tests.
December 2012 in “Journal of Dermatological Science” Wnt/beta-catenin signaling in the skin helps fat cell development during hair growth and repair.
124 citations
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April 1992 in “Journal of Endocrinology/Journal of endocrinology” Beard hair follicles have more androgen receptors than non-balding scalp hair follicles.
21 citations
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January 1995 in “Molecular Biology Reports” Scientists discovered two versions of a new human hair keratin gene.
49 citations
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March 2004 in “Journal of Investigative Dermatology” The hHa7 gene is regulated by androgens in certain body hair, not scalp hair.
29 citations
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April 2003 in “Experimental dermatology” Human hair follicles grown in vitro maintain normal keratin patterns and structure.
28 citations
,
December 1997 in “Journal of Biological Chemistry” A genetic mutation in the hHa1 gene creates a smaller, but still functional, hair protein without causing hair problems.
18 citations
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April 2018 in “Biotechniques/BioTechniques” A new method was developed to extract and analyze proteins from very short human hairs.
6 citations
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July 2015 in “Journal of Investigative Dermatology” Chicken feather gene mutation helps understand human hair disorders.
Acidic sandy clay damages archaeological hair the most, while dry conditions preserve but make it brittle; silicone oil can help keep the hair flexible.
205 citations
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March 2012 in “Science Translational Medicine” PGD2 stops hair growth and is higher in bald men with AGA.
98 citations
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June 2008 in “Human mutation” A genetic change in the EDAR gene causes the unique hair traits found in East Asians.
74 citations
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October 2012 in “The American Journal of Human Genetics” Mutations in the HOXC13 gene cause hair and nail development issues.
53 citations
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July 2016 in “Cosmetics” Future hair cosmetics will be safer and more effective.
52 citations
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September 2018 in “International Journal of Molecular Sciences” Ginseng and its compounds may help hair growth and prevent hair loss, but more human trials are needed to confirm this.
51 citations
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May 2019 in “Biomaterials” Researchers developed a method to grow hair follicles using special beads that could help with hair loss treatment.
41 citations
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June 2013 in “PLOS ONE” Engineered skin substitutes can grow hair but have limitations like missing sebaceous glands and hair not breaking through the skin naturally.
30 citations
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December 2018 in “International Journal of Biological Macromolecules” Chitosan and surface-deacetylated chitin nanofibers may help treat hair loss.