72 citations,
February 2011 in “American Journal of Biological Anthropology” The conclusion is that recognizing hair growth cycles can improve the precision of dietary and health assessments from hair analysis.
55 citations,
October 2003 in “Dermatologic Clinics” Different hair care practices and conditions affect African American hair and scalp health, requiring specialized knowledge for treatment.
46 citations,
December 2014 in “Journal of The American Academy of Dermatology” Premature hair graying in young men is linked to family history, obesity, and smoking.
42 citations,
April 2008 in “Acta materialia” Different ethnicities and treatments affect human hair strength and structure.
41 citations,
October 2000 in “Dermatologic clinics” Better hair care products are needed to protect against grooming and chemical damage.
39 citations,
April 2020 in “Clinical, Cosmetic and Investigational Dermatology” Asian hair is generally straight and thick, with unique disorders and properties, and more research is needed to understand it fully.
36 citations,
August 2011 in “Journal of dermatological science” Human hair has a protective lipid layer that can be damaged by moisture and treatments, affecting hair growth and health.
34 citations,
August 2002 in “British Journal of Dermatology” ALA-PDT is effective and safe for chronic X-ray dermatitis, providing complete or partial remission.
30 citations,
July 2017 in “BioEssays” Activating NRF2 might help treat hair disorders by improving antioxidant defenses.
30 citations,
March 2017 in “ACS biomaterials science & engineering” Hair follicles are valuable for regenerative medicine and wound healing.
27 citations,
August 2018 in “Frontiers in Plant Science” High levels of auxin increase root hair growth by activating RSL2 and producing ROS, while high phosphate levels hinder growth by repressing RSL2.
27 citations,
March 2018 in “Biomaterials” Three specific proteins can turn adult skin cells into hair-growing cells, suggesting a new hair loss treatment.
26 citations,
October 2007 in “Experimental Dermatology” L-Carnitine-L-tartrate may help hair grow and prevent hair loss.
26 citations,
April 1999 in “Dermatologic Clinics” The long-pulsed alexandrite laser is effective for hair reduction, particularly for light-skinned individuals with dark hair, but caution is needed for darker skin.
25 citations,
July 2019 in “Experimental Dermatology” Cholesterol balance is important for hair health, and problems with it can lead to hair loss conditions.
22 citations,
February 2008 in “Journal of Dermatological Science” EPR spectroscopy showed that spontaneous hair growth results in thicker skin and less pigmented hair than depilation-induced growth.
20 citations,
May 2020 in “Experimental Dermatology” Aging scalp skin contributes to hair aging and loss, and more research is needed to develop better hair loss treatments.
20 citations,
January 2015 in “Current problems in dermatology” Graying hair happens due to aging and might be delayed by new treatments.
19 citations,
July 2015 in “Journal of Ginseng Research” Korean Red Ginseng may protect against hair loss caused by chemotherapy.
18 citations,
August 2014 in “Lipids” Human hair has more unsaturated fats inside than on the surface, and certain lipids may help bind the outer and inner layers together.
16 citations,
November 2005 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” Hair color is determined by different melanins and changes with age.
14 citations,
October 2020 in “Scientific reports” Hair greying is linked to reduced ATM protein in hair cells, which protects against stress and damage.
14 citations,
April 2000 in “Animal Science/Animal science” Nutrients like vitamins, copper, zinc, and amino acids are crucial for healthy hair and wool growth.
12 citations,
December 2017 in “Journal of biomaterials science. Polymer ed.” Human hair protein extracts can protect skin cells from oxidative stress.
11 citations,
March 2008 in “Experimental Dermatology” A substance called compound-1 could help increase hair growth by maintaining prostaglandin levels in hair follicles.
10 citations,
May 2020 in “Dermatology Research and Practice” Proteoglycans are important for hair growth, and a specific treatment can help reduce hair loss.
10 citations,
November 2016 in “International Journal of Cosmetic Science” A tough membrane between the outer and inner layers of human hair protects it from damage.
9 citations,
March 2019 in “Scientific reports” Temporary ROS production in cultured human hair follicles promotes growth and stem cell activation.
9 citations,
June 1959 in “Archives of dermatology” Hair can darken after inflammation and then return to its original color.
8 citations,
November 2022 in “International Journal of Cosmetic Science” Human hair varies widely and should be classified by curl type rather than race.