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.
47 citations,
December 2011 in “Experimental Dermatology” CGRP may help protect hair follicles from immune system attacks, potentially slowing hair loss.
45 citations,
May 2018 in “Stem Cell Research & Therapy” Using patients' own fat-derived cells to treat alopecia areata significantly improved hair growth and was safe.
41 citations,
June 2006 in “Journal of Investigative Dermatology” Beard and scalp hair cells have different gene expressions, which may affect beard growth characteristics.
29 citations,
January 2021 in “Journal of Investigative Dermatology” Fat under the skin releases HGF which helps hair grow and gain color.
29 citations,
January 2013 in “The journal of investigative dermatology/Journal of investigative dermatology” P-cadherin is crucial for hair follicle pigmentation but not skin pigmentation.
12 citations,
May 2015 in “Molecular Medicine Reports” Troxerutin helps protect skin cells from oxidative stress and may be good for treating hair loss.
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,
July 2020 in “Biochemical and Biophysical Research Communications” A protein called ectodysplasin-A2 increases a hair growth inhibitor in balding cells, which could be a target for hair loss treatment.
3 citations,
February 2023 in “ACS omega” Grape seed oil improved hair quality the most, followed by rosehip and safflower seed oils, and reduced damage from shampoo.
3 citations,
June 2017 in “Journal of Biomaterials Applications” Keratin extract from human hair was found to promote hair growth in mice.
1 citations,
June 2021 in “Singapore Medical Journal” Dutasteride and finasteride can help increase hair growth gene expression but need further improvement.
1 citations,
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.
124 citations,
April 2000 in “Nature biotechnology” 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.
64 citations,
January 2010 in “The FASEB Journal” Prolactin affects the production of different keratins in human hair, which could lead to new treatments for skin and hair disorders.
46 citations,
January 2020 in “Theranostics” Injecting a special gel with human protein particles can help hair grow.
27 citations,
December 2002 in “Journal of dermatological science” Merkel cells and Langerhans cells in hair follicles are closely connected and may interact.
16 citations,
April 2021 in “Frontiers in Cell and Developmental Biology” New hair follicles could be created to treat hair loss.
13 citations,
June 2007 in “Journal of Dermatological Science” Researchers created a cell line to study hair growth and found specific genes affected by dihydrotestosterone.
12 citations,
May 2023 in “EMBO reports” High mTORC1 activity slows hair growth and causes it to lose color.
12 citations,
July 2017 in “Scientific reports” Researchers developed a way to study human body clocks using hair tissue, which works similarly in both healthy and dementia patients.
8 citations,
March 2020 in “Frontiers in Cell and Developmental Biology” Researchers created immortal human skin cells with constant testosterone receptor activity to study hair loss and test treatments.
6 citations,
July 2022 in “World journal of stem cells” Using extracellular vesicles from stem cells can help hair grow by affecting scalp cells and hair follicles.
4 citations,
August 2023 in “Nature Communications” Mouse zigzag hair bends form due to a 3-day cycle of changes in hair progenitors and their environment.
July 2023 in “Biomolecules” The circadian clock plays a key role in hair growth and its disruption can affect hair regeneration.
Collagen peptides may help maintain hair growth and could be beneficial for hair loss conditions.
June 2022 in “bioRxiv (Cold Spring Harbor Laboratory)” ILC1-like cells can cause alopecia areata by attacking hair follicles.
January 2017 in “Journal of Dermatology and Venereology” Naringenin and Hesperetin may help hair grow and protect hair cells from damage.
March 1998 in “Journal of dermatological science” Protease Nexin-1 is found in human hair growth cells and is affected by male hormones.