July 2025 in “Journal of Investigative Dermatology” BrdU speeds up hair follicle aging and reduces hair quality.
July 2025 in “Biotechnology and Bioprocess Engineering” Camellia japonica seed extract helps hair grow by activating hair follicles and preventing cell aging.
May 2024 in “International Ayurvedic Medical Journal” Ayurveda promotes hair health by balancing the body and using natural treatments.
May 2024 in “International Journal of Dermatology” More research is needed to understand if GLP-1 agonists affect hair health.
January 2024 in “International Journal of Trichology” COVID-19 may affect hair loss, but more research is needed.
July 2022 in “Journal of Investigative Dermatology” IL-15 helps maintain hair growth and protects the immune status of hair follicles.
November 2019 in “British Journal of Dermatology” FOL-005 peptide may help treat excessive hair growth safely.
January 2019 in “Social Science Research Network” Hair follicle stem cells prevent melanocyte stem cells from differentiating by controlling retinoic acid levels.
April 2016 in “Journal of Investigative Dermatology” CD73 may regulate hair growth and could be targeted for hair growth treatments.
April 2000 in “Chinese Journal of Dermatology” Epidermal growth factor (EGF) boosts hair follicle growth and speeds up hair cycle transition.
46 citations
,
January 1996 in “Journal of The American Academy of Dermatology” People with late-stage HIV-1 often experience a specific type of hair loss linked to multiple factors, including nutritional issues and immune responses.
93 citations
,
May 1990 in “The EMBO Journal” Mice with extra sheep genes had hair that fell out and regrew in cycles.
40 citations
,
July 1989 in “Journal of Cell Science” Rat hair follicles can be kept alive in a lab for 7 days but then stop growing.
Caffeine in Alpecin shampoo may help prolong hair root activity and reduce hair loss.
174 citations
,
April 2005 in “The American journal of pathology (Print)” Capsaicin, found in chili peppers, can slow down hair growth by affecting skin cells and hair follicles.
128 citations
,
March 2006 in “American Journal of Pathology” Prolactin contributes to hair loss by promoting hair follicle shrinkage and cell death.
128 citations
,
March 1989 in “Experimental Cell Research” Hoxc13 is important for hair and tongue development by controlling hair keratin genes.
58 citations
,
October 2016 in “Journal of Investigative Dermatology” Activating Nrf2 protects human hair follicles from oxidative stress and helps prevent hair growth inhibition.
29 citations
,
January 2017 in “Journal of Investigative Dermatology” The Msi2 protein helps keep hair follicle stem cells inactive, controlling hair growth and regeneration.
18 citations
,
August 2008 in “Journal of Investigative Dermatology” 17-β estradiol and prednisolone may speed up hair regrowth after chemotherapy.
6 citations
,
August 2019 in “PLOS ONE” Gambogic Amide helps maintain hair color and promotes hair growth.
4 citations
,
January 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” A faulty KLHL24 gene leads to hair loss by damaging hair follicle stem cells.
1 citations
,
September 2016 in “British Journal of Dermatology” Women with aging signs and heart issues have higher hair loss risk, which may predict shorter lifespan and affect attractiveness.
May 2024 in “Clinical Cosmetic and Investigational Dermatology” Manipulating cell cleanup processes could help treat hair loss.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” KLF4 is important for keeping hair follicle stem cells inactive.
November 2022 in “Journal of Investigative Dermatology” Activating a bitter taste receptor in hair follicles can stop hair growth by increasing a specific growth factor.
MicroRNA miR-22 causes hair loss by making hair follicles regress early.
March 2014 in “Journal of The American Academy of Dermatology” The new topical product combined with finasteride significantly increased hair thickness without side effects.
207 citations
,
March 2012 in “Development” Skin needs dermal β-catenin activity for hair growth and skin cell multiplication.
146 citations
,
May 2002 in “The American journal of pathology” Cathepsin L is essential for normal hair growth and development.