42 citations
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July 2017 in “Molecular therapy” A form of vitamin E promotes hair growth by activating a specific skin pathway.
35 citations
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November 2019 in “Scientific Reports” Shikimic acid promotes hair growth.
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January 1994 in “Differentiation” Mouse hair follicle cells briefly grow during the early hair growth phase, showing that these cells are important for starting the hair cycle.
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October 2014 in “Experimental Dermatology” Leptin from skin fat can slow hair growth during certain phases.
19 citations
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February 1998 in “Cellular Immunology” Hair growth phase in mice weakens certain immune responses.
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January 2013 in “International Journal of Genomics” The study identified key genes involved in goat hair growth.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” Removing certain immune cells in mice causes their hair to enter the growth phase earlier than usual.
5 citations
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September 2016 in “Journal of Cosmetic Dermatology” Nourkrin® with Marilex® may increase hair count by 35.7% in postpartum hair loss.
November 2013 in “Institutional Repositories DataBase (IRDB)” Gamma-ray exposure during hair rest phase harms hair growth and color in mice.
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November 2013 in “Experimental Dermatology” Leptin, a hormone, is important for starting hair growth.
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December 1995 in “Journal of Cell Science” Nexin 1 may help control hair growth.
41 citations
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June 2010 in “Journal of Investigative Dermatology” New cells are added to the hair's dermal papilla during the active growth phase.
1 citations
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December 2011 in “EFSA Journal” Spermidine may help extend the growth phase of hair.
July 2012 in “EFSA supporting publications” The EFSA maintained its view that spermidine's effect on hair growth is related to disease treatment and does not meet the health claim criteria.
49 citations
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July 2019 in “British Journal of Dermatology” Wnt signaling is important for the change from the resting phase to the growth phase in human hair cycles.
20 citations
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January 2017 in “Experimental Dermatology” Igf1r helps regulate hair growth cycles.
January 2026 in “Applied Sciences” Cyclic ADP-ribose helps regulate calcium and signals that promote hair growth in hair follicle cells.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” Derinat helps extend hair growth by reducing harmful molecules in skin cells.
December 2010 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” New cells join the hair's dermal papilla during the growth phase, possibly affecting hair thickness.
February 1990 in “PubMed” Higher DHEA-S levels in hirsute females affect hair growth phases.
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December 2017 The study suggests that treating early hair loss with Nourkrin® with Marilex® can help prevent further hair loss and may be linked to reducing the risk of lifestyle diseases.
161 citations
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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.
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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.
24 citations
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May 2022 in “BMC Veterinary Research” lncRNAs play a key role in hair follicle development, affecting cashmere quality and yield.
3 citations
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April 2016 in “Food Science and Biotechnology” Oriental melon leaf extract may help hair grow and keep it in the growing phase longer.
43 citations
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February 2006 in “Journal of Cell Science” The document concludes that the hair cycle is a complex process involving growth, regression, and rest phases, regulated by various molecular signals.
155 citations
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August 2003 in “Journal Of Experimental Zoology Part B: Molecular And Developmental Evolution” Understanding hair growth involves complex interactions between molecules and could help treat hair disorders.
112 citations
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July 1998 in “Journal of Investigative Dermatology” Ruby laser pulses best destroy hair follicles during the growth phase and effectiveness varies with laser intensity; melanin is key for targeting, and timing treatments can improve results.