8 citations,
March 2015 in “Molecular Medicine Reports” Hair dye ingredient PPD causes cell death and aging in human hair cells by altering microRNA levels.
4 citations,
January 2019 in “Annals of Dermatology” RE-ORGA, a Korean herb extract, may help prevent hair loss.
9 citations,
July 2019 in “Biomolecules & Therapeutics” Udenafil may help hair grow by activating certain stem cells.
8 citations,
September 2021 in “EMBO Molecular Medicine” A new small peptide may help hair growth by activating a specific receptor and should be tested in humans.
6 citations,
January 2021 in “Annals of Dermatology” 650 nm red light helps hair grow and prevents hair loss by affecting certain genes and biological processes.
5 citations,
February 2022 in “Acta Biomaterialia” Nanomaterials can improve hair care products and treatments, including hair loss and alopecia, by enhancing stability and safety, and allowing controlled release of compounds, but their safety in cosmetics needs more understanding.
4 citations,
July 2021 in “Journal of Microbiology and Biotechnology” Ginsenoside Rg4 from ginseng may help hair growth by activating certain cell signals.
3 citations,
January 2023 in “Nutrients” Hordenine may help hair grow by activating a specific cell growth pathway.
3 citations,
August 2022 in “International Journal of Molecular Sciences”
3 citations,
May 2019 in “Chinese Medical Journal” CO2 fractional laser therapy may help regrow hair without scarring by affecting certain inflammatory and growth-related molecules.
2 citations,
March 2017 in “Asian Journal of Beauty and Cosmetology” Caffeic acid protects human scalp cells from UV damage.
1 citations,
July 2023 in “Communications biology” Removing Mediator 1 from certain mouse cells causes teeth to grow hair instead of enamel.
1 citations,
October 2020 in “PubMed” Azelaic acid helps protect hair cells from UV damage and encourages hair growth by increasing certain gene expressions and proteins.
October 2023 in “Biomimetics” The new hair-dyeing shampoo is safe, colors hair evenly, and strengthens it.
August 2023 in “Journal of Cosmetic Dermatology” Exosomes from hair papilla cells and the Chinese medicine Liao Tuo Fang can potentially promote hair growth and could be used to develop hair growth drugs.
85 citations,
April 2012 in “PLOS ONE” Valproic Acid helps regrow hair in mice and activates a hair growth marker in human cells.
63 citations,
February 2017 in “ACS biomaterials science & engineering” Polydopamine is a safe, effective, and permanent hair dye that turns gray hair black in one hour.
13 citations,
April 2010 in “Journal of dermatological science” Chemotherapy-induced hair loss is partly due to decreased laminin-511 and increased laminin-332.
12 citations,
January 2021 in “Cell Transplantation” Baby teeth stem cells can help grow hair in mice.
4 citations,
April 2012 in “Asian-australasian Journal of Animal Sciences” Red deer antler extract may help hair grow faster by increasing a growth protein.
3 citations,
September 2022 in “Molecules” Camellia seed cake extract may help hair growth by blocking the hair loss effects of a hormone called DHT.
3 citations,
September 2016 in “Clinical, cosmetic and investigational dermatology” Sphinganine can reduce hair loss and improve scalp health.
2 citations,
April 2022 in “Biomedicines” Low-frequency electromagnetic fields may help hair growth by affecting certain growth-related molecules.
1 citations,
September 2022 in “Evidence-based Complementary and Alternative Medicine” Gardenia florida fruit extract may help hair grow and needs more research to understand how.
Hair can naturally regain color after greying, and this change may be linked to stress levels.
April 2024 in “Applied biological chemistry” Piperine from black pepper can make hair less oily by blocking fat cell development in hair roots.
April 2024 in “Clinical, cosmetic and investigational dermatology” Salvianolic Acid B helps hair grow by reducing cell stress and increasing blood flow to hair follicles.
September 2023 in “General and comparative endocrinology” Monkey hair cortisol levels are not affected by how fast their hair grows.
Hair can naturally regain color, and stress might influence greying and its reversal.
1540 citations,
February 2009 in “Fertility and Sterility” The report concludes that PCOS is mainly a condition of excess male hormones and its definition may change as new information is discovered.