60 citations
,
October 2005 in “Experimental Dermatology” Zinc can both inhibit and stimulate mouse hair growth, and might help recover hair after chemotherapy.
23 citations
,
January 2008 in “Skin Pharmacology and Physiology” Optical coherent tomography can effectively detect steroid use by analyzing hair changes.
16 citations
,
February 2014 in “Journal of Investigative Dermatology” Researchers developed a mouse model that tracks hair growth using bioluminescence, improving accuracy in studying hair cycles.
1 citations
,
December 2022 in “Current Issues in Molecular Biology” Annurca apple extract improved hair growth in mice and could potentially prevent hair loss.
November 2025 in “Andalas University eThesis (Andalas University)” Rosemary extract hair tonic is a safe and effective natural alternative for promoting hair growth.
June 2020 in “Journal of Investigative Dermatology” Scientists successfully grew mini hair follicles using human skin cells, which could help treat baldness.
October 2014 in “University of the Arts London Research Online (University of the Arts London)” Protein-derived ingredients can help strengthen bleached hair.
May 2014 in “Journal of Investigative Dermatology” Scientists developed tools to observe hair regeneration in real time and assess skin health, using glowing mice and light-controlled genes.
January 2002 in “The Journal of Korean Medicine Ophthalmology and Otolaryngology and Dermatology” The extracts were found to promote hair growth.
2 citations
,
July 2018 in “Skin research and technology” Greasy hair spreads sebum twice as much as nongreasy hair over time.
2 citations
,
April 2018 in “Journal of Cosmetic Dermatology” Tumescent fluid increases scalp hair angles, which may improve hair transplant results and reduce surgeon fatigue.
November 2025 in “Nature Communications” Hair growth may involve a pulling force from the outer root sheath.
32 citations
,
January 2010 in “Journal of Dermatological Science” Reduced EGFR signaling delays hair cycle and reduces fat growth, but hair development remains normal.
25 citations
,
June 2004 in “Journal of Investigative Dermatology” Macrophage-stimulating protein helps hair grow and can start hair growth phase in mice and human hair samples.
191 citations
,
September 2011 in “Cell stem cell” Hair follicle stem cells use specific chromatin changes to control their growth and differentiation.
September 2025 in “Journal of the American Academy of Dermatology” Reducing SFRP1 can promote hair growth and may help treat hair loss.
26 citations
,
September 2014 in “Neuroscience Letters” Metformin protects hair cells in lab tests but not in live animals.
9 citations
,
September 2022 in “Pharmaceutics” Porcine placenta extract may improve hair growth and skin health.
8 citations
,
January 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” Growth hormone is important for regulating human hair growth.
7 citations
,
December 2021 in “Archives of Dermatological Research” Adiponectin reduces hair pigmentation and affects hair growth signals.
7 citations
,
January 2020 in “Frontiers in Pharmacology” Jagged1 and Epidermal Growth Factor together significantly increased hair growth in mice with androgen-suppressed hair.
2 citations
,
March 2025 in “PNAS Nexus” Raman spectroscopy can detect radiation exposure in mouse hair with high accuracy for up to 7 days.
2 citations
,
March 2022 in “Applied sciences” Lespedeza bicolor extract promotes hair growth and increases hair follicle cell growth, potentially making it a better treatment than minoxidil.
1 citations
,
August 2023 in “Journal of Investigative Dermatology” Farudodstat may help treat alopecia areata by protecting hair follicles.
1 citations
,
January 2019 in “Skin Pharmacology and Physiology” Eplerenone, a mineralocorticoid receptor antagonist, was found to promote hair growth in human hair follicles.
January 2026 in “BioMed Research International” The combination of rosemary and castor oils may promote hair growth in mice.
November 2025 in “Journal of Investigative Dermatology” Estetrol may help prevent hair loss and support hair growth in women.
November 2024 in “Journal of Investigative Dermatology” γδT cells can protect hair follicles from alopecia areata and promote hair regrowth.
July 2024 in “Journal of Investigative Dermatology” Ashwagandha nanoparticles help hair grow by increasing a growth factor.
July 2024 in “Journal of Investigative Dermatology” PP405 may help hair growth by activating hair follicle stem cells.