151 citations
,
November 2018 in “International Journal of Pharmaceutics” Nanoparticles improve drug delivery through the skin but more research is needed on their long-term effects and skin penetration challenges.
122 citations
,
July 2005 in “The FASEB journal” Hair follicles produce and respond to melatonin, affecting hair growth and sensitivity to estrogen.
106 citations
,
June 2005 in “Journal of Investigative Dermatology” The document concludes that assessing hair follicle damage due to cyclophosphamide in mice involves analyzing structural changes and suggests a scoring system for standardized evaluation.
61 citations
,
October 2013 in “PLoS ONE” Boosting Wnt signaling improves skin wound healing.
59 citations
,
October 2012 in “Pharmaceutical Research” Squalene-based carriers improve delivery of a treatment to hair follicles for alopecia areata.
51 citations
,
September 2020 in “Cell Metabolism” Glutamine metabolism affects hair stem cell maintenance and their ability to change back to stem cells.
49 citations
,
November 2014 in “Journal of Medicinal Food” Red Ginseng Extract may help human hair grow by activating growth pathways and blocking negative effects of certain hormones.
46 citations
,
January 2020 in “Theranostics” Injecting a special gel with human protein particles can help hair grow.
44 citations
,
January 2006 in “Biological & Pharmaceutical Bulletin” Androgen hormones cause hair follicle scarring in hair loss, and finasteride helps reduce it.
41 citations
,
July 2015 in “Current Drug Discovery Technologies” Some plants may help with hair growth and have fewer side effects than synthetic drugs, but more research is needed to confirm their effectiveness.
36 citations
,
February 2017 in “BMC Complementary and Alternative Medicine” Geranium sibiricum extract helps hair grow and is more effective than minoxidil but can be toxic in high concentrations.
33 citations
,
January 1997 in “Endocrinology” Testosterone can slow down hair growth when combined with certain cells from bald scalps, and this effect can be blocked by an androgen receptor blocker.
27 citations
,
February 2014 in “Planta Medica” Scutellaria baicalensis extract and baicalin may help prevent hair loss.
27 citations
,
November 1998 in “Journal of Endocrinological Investigation” Finasteride significantly reduces hair growth in women with idiopathic hirsutism.
26 citations
,
February 2009 in “Drug Development Research” 17α-estradiol is a safe estrogen that might protect the brain and doesn't cause feminization, needing more research for treating brain diseases.
23 citations
,
January 2021 in “Biomedicine & Pharmacotherapy” DHT stops hair regrowth in mice, similar to human hair loss.
22 citations
,
March 2020 in “Cosmetics” Nanotechnology improves minoxidil treatment for hair loss.
21 citations
,
September 2024 in “Cureus” Microneedling is an effective and safe method for improving skin conditions like acne scars and wrinkles.
21 citations
,
July 2016 in “Gynecological Endocrinology” Obese and non-obese women with PCOS have higher heart risk markers, especially if they are obese.
14 citations
,
February 2014 in “Experimental Cell Research” The conclusion is that teeth, hair, and claws have similar stem cell niches, which are important for growth and repair, and more research is needed on their regulation and potential markers.
14 citations
,
September 2007 in “Steroids” The study concluded that androstendione and DHEA are important for diagnosing high male hormone levels in women with excessive hair growth.
7 citations
,
March 2021 in “Biology” Scaffold improves hair growth potential.
6 citations
,
August 2015 in “Journal of Molecular Histology” Caspase-7 has functions in skin and hair that are not related to cell death.
4 citations
,
December 2020 in “Journal of Dermatology” Impaired autophagy may cause hair loss by triggering early catagen.
3 citations
,
January 2017 in “Yonsei Medical Journal” Blocking 11β-HSD1 can lessen the harmful effects of glucocorticoids on hair growth cells.
2 citations
,
February 2019 in “Journal of Investigative Dermatology” Higher levels of the DP2 receptor may lead to hair loss.
1 citations
,
January 2010 in “Journal of Oriental Medicine” Black bean, wheat, and rice bran extracts can boost hair growth and improve hair quality.
June 2026 in “Frontiers in Bioengineering and Biotechnology” Hair follicle systems are being engineered to better mimic natural hair follicles for studying hair disorders and testing treatments.
August 2025 in “Frontiers in Immunology” Bullous pemphigoid, intrahepatic cholangiocarcinoma, and alopecia areata may share immune-related causes.
Exosome therapy could help hair growth but needs more research for safety and effectiveness.