159 citations,
December 2007 in “American Journal of Pathology” Stress-related substance P may lead to hair loss and negatively affect hair growth.
146 citations,
May 2002 in “The American journal of pathology” Cathepsin L is essential for normal hair growth and development.
139 citations,
February 2014 in “Journal of Advanced Research” Vitamin D is important for skin health and may affect conditions like psoriasis and hair loss, but more research is needed to understand its role fully.
138 citations,
November 2015 in “Journal of Pharmacology and Experimental Therapeutics” Protoporphyrin IX is useful in cancer treatment but can cause health problems if not properly regulated.
127 citations,
December 2007 in “Journal of Investigative Dermatology” Mice hair growth patterns get more complex with age and can change with events like pregnancy or injury.
124 citations,
December 2016 in “Pharmaceuticals” TRP channels in the skin are important for sensation and health, and targeting them could help treat skin disorders.
122 citations,
July 2005 in “The FASEB journal” Hair follicles produce and respond to melatonin, affecting hair growth and sensitivity to estrogen.
115 citations,
August 2008 in “The Journal of Clinical Endocrinology & Metabolism” Thyroid hormones help hair grow, reduce hair loss, and increase hair pigment.
113 citations,
March 2018 in “Biological reviews/Biological reviews of the Cambridge Philosophical Society” Animals that change color with the seasons mainly do so in response to daylight changes, but climate change is causing camouflage problems that may require evolutionary changes.
112 citations,
May 2019 in “Pharmacological Research” Lignans and neolignans from plants may help protect against various health issues, including cancer and heart disease.
110 citations,
August 2016 in “Drugs” Minoxidil is the only FDA-approved topical drug for treating male or female pattern hair loss, and other medications like finasteride and dutasteride can also increase hair growth.
109 citations,
October 2007 in “Journal of pineal research” Melatonin helps regulate hair growth and protects the hair follicle from stress.
108 citations,
July 2004 in “American Journal of Pathology” Stress increases a factor in mice that leads to hair loss, and blocking this factor may prevent it.
107 citations,
December 2013 in “International Journal of Dermatology” The document concludes that hair is complex, with a detailed growth cycle, structure, and clinical importance, affecting various scientific and medical fields.
106 citations,
July 2013 in “Advances in wound care” UV radiation can help sterilize wounds and promote healing but requires careful use to avoid damaging cells.
105 citations,
January 2010 in “Mediators of Inflammation” Skin surface lipids are important for skin health and altering them could help prevent aging and treat skin conditions.
102 citations,
December 2017 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” Restoring hair bulb immune privilege is crucial for managing alopecia areata.
101 citations,
January 1997 in “Journal of Investigative Dermatology Symposium Proceedings” Nerves and chemicals in the body can affect hair growth and loss.
97 citations,
March 2009 in “Dermato-endocrinology” Hormones significantly affect hair and oil gland function in the skin, and more research is needed on skin-related hormone disorders.
92 citations,
June 2005 in “Journal of Investigative Dermatology” All-trans retinoic acid causes hair loss by increasing TGF-β2 in hair follicle cells.
86 citations,
June 2017 in “Anais Brasileiros de Dermatologia” Antioxidants can benefit skin health but should be used carefully to avoid negative effects.
84 citations,
April 2005 in “Dermatologic Clinics” Treatments for melanin disorders exist, but more effective options needed.
83 citations,
June 2018 in “Frontiers in immunology” Certain types of T cells are essential for healthy skin and play a role in skin diseases, but more research is needed to improve treatments.
75 citations,
August 2018 in “Biochemical pharmacology” Targeting the skin's endocannabinoid system could help treat skin disorders.
75 citations,
March 2014 in “Journal of Investigative Dermatology” Aging mice have slower hair regeneration due to changes in signal balance, but the environment, not stem cell loss, controls this, suggesting treatments could focus on environmental factors.
73 citations,
July 2016 in “Cosmetics” Mushrooms have beneficial properties for skin and hair care products and have great potential for future cosmetic use.
69 citations,
June 2017 in “Experimental Biology and Medicine” Advanced human skin models improve drug development and could replace animal testing.
68 citations,
March 2008 in “Experimental dermatology” The new assay can track and measure melanosome transfer between skin cells, confirming filopodia's role in this process.
66 citations,
July 2015 in “Journal of Molecular Biology” The document concludes that for hair and feather growth, it's better to target the environment around stem cells than the cells themselves.
66 citations,
September 2005 in “Photochemical & photobiological sciences” We don't fully understand how sunlight damages different types of hair.