February 2026 in “International Journal of Molecular Sciences” PDLLA filler can improve hair thickness and shine by reducing age-related hair decline.
April 2025 in “Pharmaceuticals” APA is a promising new compound for repairing damaged hair, outperforming Olaplex® in strength and elasticity.
August 2024 in “Cosmetics” K18® and Olaplex® both effectively repair bleached hair, improving its strength, smoothness, and overall health.
April 2024 in “Cosmetics” Different oils affect hair flexibility and strength, with their impact varying on whether hair is virgin or bleached.
December 2023 in “Clinical, cosmetic and investigational dermatology” The study found that white hair in vitiligo has specific patterns and structures, which vary with the stage of the disease and may be similar to another hair condition.
949 citations
,
January 2001 in “Cell” Adult mouse skin contains stem cells that can create new hair, skin, and oil glands.
38 citations
,
April 2016 in “The Journal of Pathology” Alkaline ceramidase 1 is crucial for healthy skin and energy balance.
16 citations
,
August 2000 in “Il Farmaco” Men have more tryptophan in their hair than women, and it increases with age and is higher in darker and grey or white hair.
13 citations
,
April 2019 in “iScience” EGFR helps control how hair grows and forms without needing p53 protein.
10 citations
,
September 2022 in “Journal of Composites Science” Cricket nanochitin is denser and stronger than crab nanochitin.
10 citations
,
May 2020 in “Frontiers in cell and developmental biology” MicroRNAs are important for hair growth regulation, with Dicer being crucial and Tarbp2 less significant.
2 citations
,
September 2023 in “Foods” Microcapsules and effervescent tablets make insect lipids easier to consume.
January 2026 in “http://isrctn.com/” The supplement may improve hair growth and quality in women with mild to moderate hair loss.
November 2025 in “Archaeometry” Animal hair from 18th-century Mazamet burial sites shows locals used goat, badger, cow, or horse fur for clothing, indicating modest economic status.
June 2025 in “Microorganisms” Microbial imbalances in hair follicles may contribute to hair loss, especially in women.
854 citations
,
February 2002 in “The journal of investigative dermatology/Journal of investigative dermatology” Understanding hair follicle development can help treat hair loss, skin regeneration, and certain skin cancers.
517 citations
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February 2010 in “Materials” Keratin from hair and wool is used in medical materials for healing and drug delivery.
98 citations
,
December 2015 in “The Journal of Cell Biology” Keratin is crucial for skin barrier formation and affects mitochondrial function.
88 citations
,
June 2000 in “Journal of Investigative Dermatology” Keratin 17 is important for hair and nail structure and affects pachyonychia congenita symptoms.
83 citations
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August 2020 in “Resources” Macroalgae compounds offer sustainable, effective benefits for cosmetics.
81 citations
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February 2014 in “EMBO molecular medicine” Activating Nrf2 in skin cells causes skin disease similar to chloracne in mice.
81 citations
,
March 2006 in “Journal of Investigative Dermatology” Mutations in the DSG4 gene cause specific hair and scalp issues.
74 citations
,
July 2008 in “Journal of Dermatological Case Reports” Trichoscopy is a quick and easy way to diagnose most genetic hair problems without invasive methods.
53 citations
,
July 2002 in “Journal of Investigative Dermatology” The Dfl mutation in mice causes poor sebaceous gland function and complete hair loss.
50 citations
,
February 2016 in “Journal of Investigative Dermatology” A mutation in the KRT25 gene causes a rare hair disorder with thin, woolly hair.
34 citations
,
November 1998 in “Journal of Investigative Dermatology” A common mutation in the hHb6 gene is linked to monilethrix, but other factors may also play a role.
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.
26 citations
,
May 2016 in “Journal of biological chemistry/The Journal of biological chemistry” sPLA2-IIE is crucial for normal hair follicle structure and skin health.
22 citations
,
July 2016 in “Cellular and Molecular Life Sciences” Genetic changes in mice help understand skin and hair disorders, aiding treatment development for acne and hair loss.
16 citations
,
November 2022 in “eLife” Both gene and non-gene areas of DNA evolved to make some mammals hairless.