January 2026 in “American Journal of Medical and Clinical Research & Reviews” Different wavelengths of LED light are needed to treat different types of hair loss effectively.
July 2002 in “Dermatologic Surgery” Some people's hair turned white or gray after using intense pulsed light for hair removal, and for some, it was permanent.
92 citations
,
June 2005 in “Journal of Investigative Dermatology” All-trans retinoic acid causes hair loss by increasing TGF-β2 in hair follicle cells.
7 citations
,
August 2005 in “Evolutionary anthropology” Human hair is unique and important for understanding human evolution and identity.
73 citations
,
October 2003 in “Journal of Pharmacology and Experimental Therapeutics” Hair color loss can indicate the effectiveness of a drug targeting the KIT protein in mice and humans.
14 citations
,
January 2015 in “Current problems in dermatology” Female pattern hair loss treatments vary in effectiveness and may have side effects.
397 citations
,
February 2004 in “British Journal of Dermatology” Minoxidil boosts hair growth by opening potassium channels and increasing cell activity.
236 citations
,
July 2001 in “Trends in Molecular Medicine” Future hair loss treatments should aim to extend hair growth, reactivate resting follicles, reverse shrinkage, and possibly create new follicles, with gene therapy showing promise.
211 citations
,
October 2001 in “The FASEB Journal” Noggin is necessary to start the hair growth phase in skin after birth.
205 citations
,
April 2005 in “Journal of Investigative Dermatology” Scientists have found a way to create hair follicles from skin cells of newborn mice, which can grow and cycle naturally when injected into adult mouse skin.
192 citations
,
April 2019 in “ACS nano” A new microneedle patch made from hair proteins helps regrow hair faster and better than current treatments.
159 citations
,
October 2015 in “Science Advances” Blocking JAK-STAT signaling can lead to hair growth.
159 citations
,
December 2007 in “American Journal of Pathology” Stress-related substance P may lead to hair loss and negatively affect hair growth.
72 citations
,
June 2001 in “Journal of Investigative Dermatology” S100A4 and S100A6 proteins may activate stem cells for hair follicle regeneration and could be potential targets for hair loss treatments.
71 citations
,
June 2001 in “American Journal of Pathology” The p53 protein helps control hair follicle shrinking by promoting cell death in mice.
68 citations
,
December 1991 in “Annals of the New York Academy of Sciences” Hair growth can be induced by certain cells found at the base of hair follicles, and these cells may also influence hair development and regeneration.
68 citations
,
August 2012 in “Journal of the American Academy of Dermatology” Dermatoscopy is a useful tool for diagnosing hair disorders and can help choose samples for more detailed analysis.
42 citations
,
November 2005 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” New hair products are being developed to keep hair and scalp healthy for everyone.
41 citations
,
October 2008 in “The American journal of pathology” Blocking a specific protein signal can make hair grow on mouse nipples.
40 citations
,
December 2011 in “British Journal of Dermatology” Women's hair generally gets thinner and less dense starting in their mid-thirties, with hair loss becoming more common as they age due to both genetics and environment.
30 citations
,
October 2021 in “Scientific Reports” Inhibiting glycogen metabolism can promote hair growth.
30 citations
,
December 2018 in “Trends in Endocrinology and Metabolism” Both immature and mature fat cells are important for hair growth cycles, with immature cells promoting growth and mature cells possibly inhibiting it.
30 citations
,
April 2018 in “Experimental Dermatology” The article concludes that developing in vitro models for human hair structures is important for research and reducing animal testing, but there are challenges like obtaining suitable samples and the models' limitations.
30 citations
,
July 2017 in “BioEssays” Activating NRF2 might help treat hair disorders by improving antioxidant defenses.
28 citations
,
November 2018 in “Journal of structural biology” Different populations have distinct hair structures related to their ancestry.
23 citations
,
December 2013 in “Regenerative Medicine” Hair follicle culture helps develop new treatments for hair loss.
23 citations
,
April 2006 in “Skin Research and Technology” The study concluded that a special imaging technique showed women with hair loss have slower hair growth and a faulty hair replacement cycle.
19 citations
,
December 2018 in “Experimental and Molecular Medicine” Small molecule IM boosts hair growth by changing stem cell metabolism.
17 citations
,
October 2015 in “Medicine and Pharmacy Reports” Animal models are crucial for learning about hair loss and finding treatments.
16 citations
,
February 2014 in “Journal of Investigative Dermatology” Researchers developed a mouse model that tracks hair growth using bioluminescence, improving accuracy in studying hair cycles.