June 2013 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Wnt ligand secretion by hair follicle cells is essential for hair growth and repair.
January 2013 in “Seoul National University Open Repository (Seoul National University)” Epidermal growth factor helps hair regrow after chemotherapy.
January 2013 in “Tampere University Institutional Repository (Tampere University)” Tudor-SN is important for immune cells, and polyamines can promote hair growth.
July 2012 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Platelet-rich plasma can potentially increase hair growth and density, but more trials are needed to confirm its effectiveness and safety.
January 2012 in “Zhongguo linchuang xinlixue zazhi” Chronic stress delays hair growth in mice, but antioxidants can help reverse this.
January 2010 in “Journal of Yangzhou University” Sulfated fucans promote hair growth in mice by speeding up the growth phase and delaying the rest phase.
January 2010 in “Chinese Journal of Aesthetic Medicine” EGCG promotes hair growth in mice.
January 2010 in “Bradford Scholars (University of Bradford)” MicroRNAs are crucial for hair growth and skin balance.
March 2009 in “Dermatology Online Journal” Manipulating EGFR signaling may help treat hair loss and promote hair growth.
The document concludes that measuring hair density, shaft diameter, growth rate, and anagen:telogen ratio is important for assessing hair growth treatments.
January 2006 in “The Journal of Korean Medicine Ophthalmology and Otolaryngology and Dermatology” Rubus coreanum may help hair growth but not through the tested mechanisms, and none of the herbal extracts help with acne.
April 2003 in “Journal of Clinical Dermatology” Capsaicin and minoxidil together lead to quick, steady hair growth.
April 2000 in “Chinese Journal of Dermatology” Epidermal growth factor (EGF) boosts hair follicle growth and speeds up hair cycle transition.
January 2000 in “Chinese Journal of Dermatology” Ligustrum lucidum may boost hair growth by maintaining key growth factors.
Testosterone and dihydrotestosterone can slow down the growth of certain hair follicle cells.
Pregnancy and hormonal contraceptives can cause temporary hair loss on the scalp and increased hair growth on the face and body.
Frontal hair in male pattern baldness shows reduced growth and thickness.
161 citations
,
June 1994 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair stops producing melanin as it transitions from the growth phase to the resting phase.
154 citations
,
October 1996 in “Proceedings of the National Academy of Sciences of the United States of America” Estrogen affects hair growth and skin cell multiplication.
23 citations
,
January 2018 in “BMC genomics” Vimentin is involved in regulating the hair growth cycle in Inner Mongolian Cashmere goats.
13 citations
,
September 2021 in “Current Issues in Molecular Biology” Dexpanthenol helps human hair follicle cells grow by preventing aging and death, and by supporting growth signals.
13 citations
,
July 2019 in “PLoS ONE” Deleting podoplanin in mice promotes hair growth by enhancing cell migration.
6 citations
,
January 2017 in “Journal of toxicologic pathology” Rabbit skin with active hair growth shows thicker, redder areas due to larger, more numerous hair follicles and increased blood vessels.
6 citations
,
November 2013 in “International Journal of Radiation Biology” Gamma-rays exposure during the resting phase of hair growth can damage hair regeneration and color in mice.
March 2026 in “Scientific Reports” Ferulic acid may help hair grow by activating certain receptors in cells.
Poly-D,L-lactic acid boosts hair growth in aged skin by activating hair follicle stem cells.
September 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” Freezing gamma-irradiated amniotic fluid may help hair growth and speed up the growth phase.
August 2018 in “Journal of Investigative Dermatology” Polyunsaturated fatty acids, like arachidonic acid and eicosapentaenoic acid, can promote hair growth and may help treat hair loss.
72 citations
,
January 2012 in “Annals of Dermatology” IGF-I promotes hair growth by keeping hair follicles in the growth phase longer.
33 citations
,
January 2006 in “Journal of Dermatological Science” A long-acting Vitamin C derivative helps hair grow by stimulating cells and increasing growth factors.