112 citations
,
February 2001 in “Journal of Investigative Dermatology” Neuropeptides affect hair growth, with some speeding it up and others slowing it down.
Moderate immune responses help hair growth, while excessive responses slow it down.
July 2019 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Activin A speeds up ear hair cell differentiation, while Follistatin slows it down.
37 citations
,
January 1975 in “Journal of Experimental Zoology” Epilation doesn't affect rat hair growth; thyroxine speeds it up, while estradiol slows it down.
30 citations
,
April 2009 in “Mycoses” Microsporum gypseum fungus breaks down keratin in hair by digesting it enzymatically, starting with less keratinized parts.
161 citations
,
August 2013 in “Journal of experimental botany” Certain inhibitors slow down plant growth by causing early cell specialization without changing the cell development pattern.
29 citations
,
August 2005 in “Biopolymers” L-cysteine slows down the breaking of bonds in hair due to electrostatic interactions.
4 citations
,
January 2011 in “Der Pharmacia Lettre” Hibiscus flower extract slowed down hair growth in rats.
July 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” Neutrophil extracellular traps slow down hair follicle healing after injury.
Finasteride treatment slows down hair loss, boosts hair growth, and may increase hair thickness or length, but it can cause side effects like decreased libido and depression in less than 1% of people.
4 citations
,
August 2022 in “Cells” lncRNA2919 slows down rabbit hair growth by stopping cell growth and causing cell death.
28 citations
,
March 2020 in “Journal of ethnopharmacology” Ginsenoside Rb1 slows down aging in mice by affecting cell growth, cell death, and metabolism.
17 citations
,
January 2016 in “Dermatology research and practice” Emu oil may slow down skin healing but increases hair growth in burn wounds.
8 citations
,
September 2017 in “Scientific Reports” MAD2B slows down the growth of skin cells that are important for hair development by interacting with TCF4.
3 citations
,
June 2021 in “Frontiers in genetics” The protein STAT3 slows down cell growth by blocking the FST gene, which affects hair development in sheep.
1 citations
,
June 2022 in “Gene reports” The analysis found genes linked to skin and hair development are more active in Pashmina goats, which may explain their long-fiber production.
1 citations
,
January 2015 in “Hair transplant forum international” Strict regulations may slow down new LLLT treatments.
December 2025 in “Animals” TGFBR1 slows down cell growth in fine-wool sheep hair follicles.
2 citations
,
March 1988 in “Archives of Dermatology” Minoxidil can help regrow hair or slow down hair loss, but results vary among individuals.
September 2021 in “Clinical research in dermatology” 5-Alpha-Reductase inhibitors might help slow down hair loss in Frontal Fibrosing Alopecia but are not a primary treatment and need more research.
10 citations
,
October 2018 in “Journal of molecular and cellular cardiology/Journal of Molecular and Cellular Cardiology” The gene NM_026333 slows down aging by affecting the NCX1 pathway and could be targeted for anti-aging treatments.
2 citations
,
July 2020 in “International Journal for Research in Applied Science and Engineering Technology” Pseudomonas DL17 can completely break down the harmful dye Sunset Yellow FCF in 48 hours.
21 citations
,
March 2018 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” 5-alpha-reductase inhibitors may help stabilize or slow down hair loss in some frontal fibrosing alopecia patients, but more research is needed to confirm their effectiveness and safety.
147 citations
,
September 2006 in “Developmental Cell” Too much Smad7 changes skin and hair development by breaking down a protein called β-catenin, leading to more oil glands and fewer hair follicles.
28 citations
,
March 2017 in “Endocrinology” Removing vitamin D and calcium receptors in mice skin cells slows down skin wound healing.
6 citations
,
January 2013 in “Experimental dermatology” Bimatoprost increases hair growth in mice without breaking down into other substances.
4 citations
,
October 2021 in “Journal of Cellular and Molecular Medicine” White blood cells and their traps can slow down the process of new hair growth after a wound.
359 citations
,
January 2015 in “Cold Spring Harbor Perspectives in Medicine” Hair growth phase and certain genes can speed up wound healing, while an inflammatory mediator can slow down new hair growth after a wound. Understanding these factors can improve tissue regeneration during wound healing.
72 citations
,
January 2004 in “Dermatology” Finasteride can slow hair loss and promote growth in postmenopausal women.
188 citations
,
May 2009 in “Plant physiology” Researchers found 19 genes important for root hair growth in a plant called Arabidopsis.