January 2005 in “Pharmaceutical Journal of Chinese People's Liberation Army” Ginseng extract can enhance hair growth at certain concentrations.
Spironolactone does not change hair growth.
57 citations,
February 1994 in “Experimental dermatology” Melatonin affects mouse skin and may regulate skin functions.
508 citations,
February 2007 in “Cell” Epithelial stem cells are crucial for tissue renewal and repair, and understanding them could improve treatments for damage and cancer.
130 citations,
January 1994 in “Differentiation” Mouse hair follicle cells briefly grow during the early hair growth phase, showing that these cells are important for starting the hair cycle.
54 citations,
July 1967 in “Science” Decomposed tritiated thymidine is less accurate for DNA tracing, and hair changes can indicate malnutrition.
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.
23 citations,
January 2001 in “International journal of toxicology” St. John's Wort extract and oil safety in cosmetics is unclear; more data needed on photosensitization, toxicity, and human irritation.
13 citations,
December 2001 in “Dermatologic therapy” Alopecia areata causes varying hair loss patterns, affecting hair, nails, and possibly glands, with treatment outcomes depending on disease duration and extent.
11 citations,
September 2012 in “Journal of Nanjing Medical University” Cyclosporine A was found to increase hair growth in mouse whisker follicles.
Skin stem cells are crucial for maintaining and repairing skin, with potential for treating skin disorders and improving wound healing.
1010 citations,
August 2000 in “Cell” Hair follicle stem cells can form both hair follicles and skin.
21 citations,
May 2022 in “Frontiers in Cell and Developmental Biology” Hair growth and health are influenced by factors like age, environment, and nutrition, and are controlled by various molecular pathways. Red light can promote hair growth, and understanding these processes can help treat hair-related diseases.
20 citations,
September 1978 in “International Journal of Dermatology” Hair growth is influenced by factors like genetics and nutrition, and more research is needed to understand hair loss and growth mechanisms.
116 citations,
May 2013 in “Proceedings of the National Academy of Sciences of the United States of America” Hair grows faster in the morning and is more vulnerable to damage from radiation due to the internal clock in hair follicle cells.
153 citations,
October 2007 in “Cell Stem Cell” New research suggests that skin cell renewal may not require a special type of cell previously thought to be essential.
63 citations,
January 1984 in “Journal of Investigative Dermatology” Minoxidil promotes hair growth by increasing cell division and DNA synthesis.
49 citations,
October 2009 in “Cancer research” Disrupting Stat3 in hair follicle stem cells greatly reduces skin tumor formation.
Stem cells regenerate tissues and their behavior varies by environment, suggesting the hematopoietic system model may need revision.
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January 2001 in “Cell” Adult mouse skin contains stem cells that can create new hair, skin, and oil glands.
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April 1996 in “Archives of dermatological research” Topical tacalcitol can treat psoriasis by acting directly on skin cells.
25 citations,
August 1992 in “In vitro cellular & developmental biology” The new system can grow hair in the lab and test hair growth treatments.
6 citations,
June 2013 in “Toxicological Research” Topical Valproate is safe for human skin and unlikely to cause irritation.
3 citations,
December 1994 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” Oral itraconazole effectively reaches and treats deep skin layers in guinea pigs.
28 citations,
January 2003 in “Skin pharmacology and physiology” Melatonin affects skin cell growth differently based on how much and how long it's used.
24 citations,
January 1989 in “Archives of biochemistry and biophysics” Male rats have androgen receptors in their liver, which are different from proteins that bind estrogen.
227 citations,
January 1998 in “Journal of Endocrinology” Cells from balding scalps have more androgen receptors than cells from non-balding scalps.
1 citations,
January 2001 in “Journal of Toxicology-cutaneous and Ocular Toxicology” Hair follicles could be used to deliver drugs effectively, with the right understanding and methods.
47 citations,
July 1967 in “Science” Not eating enough protein can cause hair roots to shrink and lose color, and hair to become thinner.
5 citations,
December 2006 in “Annals of the New York Academy of Sciences” Minoxidil boosts hair growth by undergoing a process in hair follicles and certain skin cells, and by increasing the production of compounds essential for hair growth and maintenance.