41 citations
,
December 2013 in “Experimental Dermatology” Leptin, a hormone, is important for starting hair growth.
115 citations
,
November 2008 in “The Journal of Clinical Endocrinology & Metabolism” Thyroid hormones help hair grow, reduce hair loss, and increase hair pigment.
4 citations
,
October 2014 in “Journal of Integrative Agriculture” Researchers found 24 genes that change significantly and affect cashmere growth in goats; this could help increase cashmere production.
71 citations
,
May 1991 in “Clinical and Experimental Dermatology” Young men with male pattern baldness lose hair density over time without treatment.
37 citations
,
January 2009 in “Dermatology” Healthy women tend to lose more hair in July and April, and the least in February.
76 citations
,
March 2005 in “Journal of Molecular Medicine” Certain mice without specific receptors or mast cells don't lose hair from stress.
47 citations
,
July 1967 in “Science” Not eating enough protein can cause hair roots to shrink and lose color, and hair to become thinner.
73 citations
,
January 2012 in “Stem Cell Research” Human hair follicle stem cells can turn into multiple cell types but lose some of this ability after being grown in the lab for a long time.
4 citations
,
June 2016 in “Experimental Dermatology” AGA causes hair loss through follicle miniaturization and hair cycle changes; regrowth depends on anagen initiation in kenogen follicles.
September 2022 in “Journal of Case Reports and Medical History” Many new moms lose hair after childbirth due to hormonal changes, but it usually grows back within a year.
56 citations
,
April 2011 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair follicle cells age faster and lose pigment due to less catalase, causing hair to turn gray.
12 citations
,
May 2023 in “EMBO reports” High mTORC1 activity slows hair growth and causes it to lose color.
6 citations
,
December 2022 in “Cell reports” Eating a high-fat fish oil diet caused mice to lose hair due to a specific immune cell activity in the skin linked to a protein called E-FABP.
1 citations
,
October 2016 in “Journal of Dermatological Science” FGF18 treatment during hair's resting phase can protect against hair loss from radiation.
May 2013 in “Trends in Urology & Men's Health” Male-pattern hair loss is normal, often involves hormone effects on hair follicles, and can be treated with medication or surgery, but new treatments are being researched.
January 1991 in “Journal of Pediatric Health Care” Hair loss in children can be caused by fungal infections, trauma, autoimmune disorders, or stress, and treatments vary depending on the cause.
27 citations
,
January 2006 in “Colloids and Surfaces B: Biointerfaces” Researchers found that bulge cells from human hair can grow quickly in culture and have properties of hair follicle stem cells, which could be useful for skin treatments.
22 citations
,
July 2012 in “International Journal of Trichology” Miniaturized hairs stay connected to muscle in alopecia areata, allowing possible regrowth, but not in androgenetic alopecia.
4 citations
,
January 2021 in “Archives of dermatological research” The study created a new model to better understand human hair growth and health.
March 2023 in “Scientific reports” Hair growth-related cells need the enzyme SCD1 to help maintain the area that supports hair growth.
May 2021 in “Journal of Investigative Dermatology” A trial showed that a new treatment is safe and effective for male pattern baldness, with most participants growing new hair.
December 2020 in “Journal of Aesthetic Nursing” Injecting platelet-rich plasma into the scalp stimulates hair growth, increases hair density, and treats hair loss effectively with minimal side effects.
191 citations
,
September 2011 in “Cell stem cell” Hair follicle stem cells use specific chromatin changes to control their growth and differentiation.
165 citations
,
July 2007 in “European Journal of Cell Biology” Hair follicle stem cells are key for hair and skin regeneration, can be reprogrammed, and have potential therapeutic uses, but also carry a risk of cancer.
159 citations
,
October 2015 in “Science Advances” Blocking JAK-STAT signaling can lead to hair growth.
81 citations
,
September 2009 in “Journal of Investigative Dermatology” Hair shedding is an active process that could be targeted to treat hair loss.
70 citations
,
June 2003 in “Journal of Investigative Dermatology Symposium Proceedings” TrichoScan is a reliable method for measuring hair growth and is useful for assessing hair loss treatments.
67 citations
,
August 2010 in “Journal of The American Academy of Dermatology” Some chemotherapy can cause permanent hair loss.
41 citations
,
November 2011 in “Journal of Ethnopharmacology” Panax ginseng extract helps mice grow hair.
35 citations
,
July 2018 in “Cell Reports” The study found that a specific area of the hair follicle helps start hair growth by reducing the blocking effects on certain cells and controlling growth signals.