July 2025 in “Journal of Investigative Dermatology” BrdU speeds up hair follicle aging and reduces hair quality.
January 2014 in “University of the Arts London Research Online (University of the Arts London)” Certain ingredients can help protect hair color.
12 citations
,
June 2011 in “Han-guk sikpum gwahakoeji/Han'gug sigpum gwahag hoeji/Han-guk sikpum gwahak hoeji” Lactobacillus plantarum-fermented plant extracts promote hair growth and thickness.
January 2026 in “BioMed Research International” The combination of rosemary and castor oils may promote hair growth in mice.
March 2025 in “Advanced Science” Bioengineered hair germs using special hydrogels can help regenerate hair follicles and treat hair loss.
July 2023 in “Biomolecules” The new "whisker follicle microinjection assay" can test how different biomolecules affect hair growth and color.
November 2025 in “Journal of Investigative Dermatology” NUL-5 may boost hair growth by improving hair follicle health and structure.
140 citations
,
December 1998 in “Journal of Investigative Dermatology” Apoptosis in hair follicles varies by growth phase, with TGF-β possibly starting the catagen phase.
69 citations
,
January 2002 in “Journal of biomedical optics” Dyes can penetrate human skin and hair follicles up to 1.2 mm deep and the sebaceous gland can store dye; Indocyanine Green lotion was made for safe dyeing and monitoring.
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.
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.
April 2026 in “Frontiers in Medicine” Farudodstat may help prevent hair loss in alopecia areata by stopping immune attacks on hair follicles.
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.
4 citations
,
December 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” Human scalp hair follicles can produce hormones and have a system similar to a brain-body communication network.