33 citations
,
April 2005 in “British Journal of Dermatology” Aging alone barely affects the number of hair follicles, meaning hair loss is minimal without other conditions like androgenetic alopecia.
November 2023 in “Experimental Dermatology” Exosomes from human hair follicle cells can improve aging hair follicle cell function and help regenerate hair follicles.
20 citations
,
May 2020 in “Experimental Dermatology” Aging scalp skin contributes to hair aging and loss, and more research is needed to develop better hair loss treatments.
May 2026 in “Bioactive Materials” The microneedle patch helps regrow hair by restoring enzyme function in hair follicles.
January 2025 in “Journal of Controlled Release” A new microneedle patch helps treat hair loss by improving drug delivery to hair follicles.
September 2017 in “Journal of Investigative Dermatology” Loss of COL17A1 causes hair follicle stem cells to age and leads to hair loss.
75 citations
,
January 2009 in “International journal of trichology” Hair grays due to oxidative stress and fewer functioning melanocytes.
April 2023 in “Journal of Investigative Dermatology” Defective T cell metabolism can cause early skin aging and poor hair follicle stem cell function.
210 citations
,
May 2006 in “The FASEB journal” Oxidative stress causes hair to gray by damaging and killing pigment cells.
35 citations
,
May 2011 in “Experimental Dermatology” Aging causes changes in hair follicles, leading to weaker hair growth.
242 citations
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February 2016 in “Science” Hair loss and aging are caused by the breakdown of a key protein in hair stem cells.
38 citations
,
June 2017 in “The Journal of Dermatology” Aging in hair follicle stem cells leads to hair graying, thinning, and loss.
12 citations
,
December 2021 in “Aging” A new painless method to collect hair follicles helps study DNA damage and aging.
12 citations
,
January 2021 in “Journal of Investigative Dermatology” Hair follicle studies suggest that maintaining telomere length could help treat hair loss and graying, but it's uncertain if mouse results apply to humans.
9 citations
,
July 2013 in “Experimental Dermatology” Aging reduces the ability of human hair follicle cells to form new cell colonies.
5 citations
,
October 2021 in “Frontiers in Cell and Developmental Biology” Fat tissue under the skin affects hair growth and aging; reducing its inflammation may help treat hair loss.
3 citations
,
July 2023 in “Frontiers in Aging” Hair follicle stem cells change states with age, affecting hair growth and aging.
2 citations
,
November 2022 in “Journal of Biochemistry and Molecular Biology” Aging changes hair stem cells and their environment, leading to gray hair and hair thinning, but understanding these changes could help develop treatments for hair regeneration.
31 citations
,
April 2019 in “Journal of Cutaneous Pathology” Hair becomes gray and thin as we age, and while most hair loss in older people is due to genetics, there's a chance for gray hair to regain color under certain conditions.
11 citations
,
March 2016 in “Cell cycle/Cell cycle (Georgetown, Tex. Online)” Old hair follicles grew better when moved to a young environment.
8 citations
,
April 2017 in “Journal of Dermatological Science” Hair loss is caused by the breakdown of a protein called COL17A1 in hair follicle stem cells.
4 citations
,
November 2021 in “Frontiers in Cell and Developmental Biology” Aging causes hair loss and graying due to stem cell decline and changes in cell behavior and communication.
March 2025 in “Aging Cell” Reducing IGF-1 can help rejuvenate hair follicles and prevent hair graying and loss.
5 citations
,
October 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” Aging hair follicle stem cells can be rejuvenated by inhibiting Cdc42.
February 2016 in “Science” Foxc1 and COL17A1 are crucial for maintaining healthy hair follicles and preventing hair loss.
May 2024 in “British journal of dermatology/British journal of dermatology, Supplement” Hair follicles in androgenetic alopecia age faster, especially in the front.
October 2020 in “Research Square (Research Square)” Aging-related changes in hair follicle stem cells can be partially reversed with a specific treatment.
14 citations
,
December 2020 in “Journal of Investigative Dermatology” Aging causes changes in the scalp that can affect hair growth and lead to older-looking hair in women.
11 citations
,
June 2019 in “Tissue & Cell” Hair stem cells produce a protein called COL17A1 that plays a key role in their development and is linked to hair thinning and baldness.
November 2024 in “Journal of Investigative Dermatology” Paclitaxel chemotherapy causes premature aging and damage to hair follicles, potentially leading to permanent hair loss.