14 citations
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October 2020 in “Scientific reports” Hair greying is linked to reduced ATM protein in hair cells, which protects against stress and damage.
Chemical treatments weaken hair's thermal stability and structure.
5 citations
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July 2022 in “Journal of Investigative Dermatology” Aged skin heals slower due to more inflammation and disrupted cell communication.
35 citations
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January 2013 in “The Journal of experimental medicine/The journal of experimental medicine” CD98hc's role in skin health decreases with age.
November 2025 in “Scholarly Commons (Embry–Riddle Aeronautical University)” Urban air pollution worsens hair loss in alopecia areata by increasing immune response.
July 2023 in “Dermatology practical & conceptual” Low hemoglobin levels are significantly correlated with hair loss in women with Telogen Effluvium.
April 2023 in “American Journal of Transplantation” Hormone replacement therapy may lower the risk of severe COVID-19 outcomes in non-immunosuppressed people and male organ transplant recipients.
15 citations
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September 2018 in “Hearing research” Rapamycin reduces age-related hearing cell loss in mice, but acarbose does not.
February 2022 in “DOAJ (DOAJ: Directory of Open Access Journals)” Retinoic acid reduces cell damage from oxidative stress.
November 2023 in “Frontiers in cell and developmental biology” Hair aging is caused by stress, hormones, inflammation, and DNA damage affecting hair growth and color.
April 2025 in “Cosmetics” RCDP NCs are promising anti-aging cosmetic ingredients that improve skin health by reducing oxidative stress and enhancing cell function.
July 2025 in “Journal of Investigative Dermatology” The new anti-aging ingredient improves skin hydration, elasticity, and reduces wrinkles.
15 citations
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June 1993 in “Archives of Dermatology” A 22-year-old's gray hair partially turned back to its original color without known causes.
Androgen receptor degrader drugs may be a promising future treatment for hair loss.
April 2018 in “Journal of Investigative Dermatology” Older hair follicle stem cells have a reduced ability to renew themselves, leading to more hair loss.
April 2016 in “Journal of The American Academy of Dermatology” AGA patients have a lower quality of life than AA patients.
July 2022 in “Nigerian journal of medicine : journal of the National Association of Resident Doctors of Nigeria” Androgenetic Alopecia (AGA) greatly lowers quality of life, causing stress and low self-esteem, with those seeking treatment experiencing more impairment.
7 citations
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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.
June 2021 in “Clinical neuropsychopharmacology and therapeutics” Valproic acid can cause hair color change in older men.
10 citations
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June 2001 in “Annals of neurology” Alzheimer's patients have higher levels of certain chemicals in their hair.
January 2015 in “Ankara Üniversitesi Tıp Fakültesi mecmuası” Men with severe hair loss may have a higher risk of heart disease.
1 citations
,
May 2016 in “Pharmaceutical Biology” Aspergillus niger culture creates two finasteride derivatives with enzyme-inhibiting effects.
1 citations
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January 2017 in “Asian Journal of Chemistry” New method effectively analyzes finasteride and its stability.
January 1974 in “OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information)” Oxidative stress causes hair graying by damaging hair follicle melanocytes more than skin melanocytes.
1 citations
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August 2024 in “PubMed” Carboxytherapy can improve and reverse aging skin.
January 2013 in “Anthropology” Untreated androgenetic alopecia leads to progressive hair loss in men.
1 citations
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May 2024 in “PLoS ONE” Horse hair follicles can be stored at cool or room temperature for a week without losing RNA quality.
30 citations
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April 2009 in “Mycoses” Microsporum gypseum fungus breaks down keratin in hair by digesting it enzymatically, starting with less keratinized parts.
September 2018 in “PubMed” Hair becomes thinner, grayer, and may fall out more as people get older, and styling habits can worsen these effects.
October 2025 in “DOAJ (DOAJ: Directory of Open Access Journals)” Changes in the cochlea's extracellular matrix contribute to age-related hearing loss.