86 citations
,
May 2002 in “Journal of Investigative Dermatology” A new keratin, hK6irs1, is found in all layers of the hair follicle's inner root sheath.
19 citations
,
August 1993 in “Journal of Cutaneous Pathology” Alopecia causes smaller hair follicles and affects growth-related structures.
April 2018 in “Journal of Investigative Dermatology” Stabilizing HIF1A in hair follicles increases glycolysis, which may help reduce oxidative stress and support hair growth.
29 citations
,
January 2021 in “Journal of Investigative Dermatology” Fat under the skin releases HGF which helps hair grow and gain color.
3 citations
,
April 2015 in “American journal of biomedical sciences” Androgens play a key role in hair growth and disorders like baldness and excessive hairiness.
2 citations
,
May 2023 in “Marine Drugs” Marine-derived saccharides may help reduce aging effects on skin and hair by promoting cell growth and collagen production.
13 citations
,
February 2007 in “Biotechnology and Bioprocess Engineering”
January 2017 in “Journal of Dermatology and Venereology” Naringenin and Hesperetin may help hair grow and protect hair cells from damage.
49 citations
,
November 2014 in “Journal of Medicinal Food” Red Ginseng Extract may help human hair grow by activating growth pathways and blocking negative effects of certain hormones.
37 citations
,
November 2019 in “Journal of Microbiology and Biotechnology” Loliolide can boost hair growth by activating specific cell pathways.
4 citations
,
January 2017 in “Annals of Dermatology” Tianeptine may help prevent hair loss by promoting hair growth and reducing cell death.
90 citations
,
August 2004 in “Physiological Genomics” Dermal papilla cells help skin stem cells grow into hair.
356 citations
,
December 1986 in “The journal of cell biology/The Journal of cell biology” Hair and nail cells share similar proteins, indicating a common differentiation pathway.
100 citations
,
September 1999 in “British Journal of Dermatology” The study found that two enzymes linked to hair loss are located in different parts of the scalp, supporting a common treatment's effectiveness.
88 citations
,
May 2005 in “Journal of Dermatological Science” Versican, a protein, is less present in thinning hair follicles and this decrease might contribute to common hair loss in men.
44 citations
,
October 1990 in “Archives of Dermatological Research” The connective tissue around hair follicles changes structure throughout the hair cycle.
April 2018 in “Journal of Investigative Dermatology” Glycogen metabolism is important for energy and processes in human hair follicles, and hair follicles may produce glucose from lactate.
October 2013 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Three-dimensional culture helps dermal papilla cells grow new human hair follicles.
65 citations
,
May 2006 in “Journal of Investigative Dermatology” Dexamethasone may influence hair growth by altering estrogen receptor activity in hair cells.
26 citations
,
January 2019 in “Experimental Dermatology” Researchers created early-stage hair-like structures from skin cells, showing how these cells can self-organize, but more is needed for complete hair growth.
15 citations
,
July 2019 in “Journal of Investigative Dermatology” CBD can either reduce inflammation and not affect hair growth at low levels or inhibit hair growth at high levels.
9 citations
,
October 1991 in “Archives of Dermatological Research” Testosterone, DHT, and estradiol significantly affect hair cell growth.
July 2017 in “Biology bulletin/Biology bulletin of the Russian Academy of Sciences” Specific conditions are needed to keep hair follicle cells effective for hair growth.
29 citations
,
March 2015 in “Journal of Investigative Dermatology” Cyclosporine A promotes hair growth and prolongs the active growth phase in human hair follicles, but may work differently than in rodents.
5 citations
,
October 1988 in “Clinics in Dermatology” Minoxidil promotes hair growth but exact mechanism is unknown.
41 citations
,
September 2010 in “Journal of dermatological science” Bone marrow and umbilical cord stem cells can help grow new hair.
November 2024 in “Stem Cell Research & Therapy” A new method improves the isolation of hair follicle cells for better hair growth research.
36 citations
,
January 1994 in “Cell and Tissue Research” 22 citations
,
July 1990 in “Acta Dermato Venereologica” High levels of testosterone and dihydrotestosterone inhibit hair cell growth, while high levels of estradiol promote it.
11 citations
,
November 2021 in “Clinical, Cosmetic and Investigational Dermatology” Resveratrol may help hair grow, but more research is needed.