9 citations,
July 2018 in “European journal of dermatology/EJD. European journal of dermatology” Disrupted sleep patterns can harm skin and hair cell renewal, but melatonin might help.
115 citations,
September 2005 in “International Journal of Dermatology” Different ethnic groups have unique hair growth patterns, with African hair growing slower and less dense, Asian hair growing fast but sparse, and Caucasian hair being densest; men are more likely to experience hair loss than women.
65 citations,
August 2007 in “Experimental Dermatology” Human hair follicles can make and process prostaglandins, which may affect hair growth.
45 citations,
January 2012 in “Experimental Dermatology” Human hair follicles switch between active and resting phases unpredictably.
28 citations,
October 2007 in “PubMed” Low iron levels are linked to more hair loss in non-menopausal women.
25 citations,
March 2017 in “Experimental Dermatology” The document concludes that understanding hair follicles requires more research using computational methods and an integrative approach, considering the current limitations in hair treatment products.
13 citations,
November 2012 in “International Journal of Dermatology” Curly hair breaks more easily, especially with chemical treatments, but simpler grooming reduces breakage.
11 citations,
March 2008 in “Experimental Dermatology” A substance called compound-1 could help increase hair growth by maintaining prostaglandin levels in hair follicles.
9 citations,
July 2013 in “Experimental Dermatology” Aging reduces the ability of human hair follicle cells to form new cell colonies.
6 citations,
December 2018 in “International Journal of Cosmetic Science” Mexican women's hair is between Asian and Caucasian hair in thickness and shape, with varied strength and some damage.
95 citations,
January 2004 in “Archives of Dermatological Research” Peripilar signs can help diagnose androgenetic alopecia and reveal its cause.
65 citations,
October 2018 in “Frontiers in cellular and infection microbiology” Certain bacteria and fungi are linked to healthy scalps and dandruff, suggesting that the scalp's microbial balance affects its health.
38 citations,
January 2015 in “Journal of Cosmetic Dermatology” The nutritional supplement improved hair density and reduced hair loss in women with female pattern hair loss.
38 citations,
October 2011 in “Analytical biochemistry” Hair proteins have weak spots in their α-helical segments.
37 citations,
June 2021 in “Journal of the European Academy of Dermatology and Venereology” Adult skin quickly reacts to short-term environmental and internal stress, leading to various skin issues and the need for protective measures.
36 citations,
October 2014 in “Langmuir” Bleaching hair removes its protective top layer and exposes more hydrophilic groups, changing its chemical surface and affecting how it interacts with products.
28 citations,
February 2016 in “F1000Research” Understanding glycans and enzymes that alter them is key to controlling hair growth.
17 citations,
December 2015 in “International Journal of Cosmetic Science” Visible light can improve skin disorders and hair loss, but more research is needed to understand long-term effects.
2 citations,
February 2016 in “Journal of sol-gel science and technology” A small molecule can strengthen fine hair, making it more resistant and natural-feeling.
Understanding hair surface properties is key for effective hair care products.
1 citations,
September 2017 in “Journal of Investigative Dermatology” Hair care products reduced hair roughness, a combination of Stemoxydine and Resveratrol increased hair density, fermented mackerel oil promoted hair growth, and genes TERT and Bmi-1 helped create new hair follicles.
September 2017 in “Journal of Investigative Dermatology” Mackerel fermented fish oil protects skin cells from damage by UVB light.
September 2017 in “Journal of Investigative Dermatology” Hair care products used for 4 weeks made hair smoother.
September 2017 in “Journal of Investigative Dermatology” The combination of Stemoxydine® and Resveratrol improves hair density in women with Female Pattern Hair Loss.
September 2017 in “Journal of Investigative Dermatology” Fermented mackerel oil was found to promote hair growth by activating certain cell signals and increasing cell growth.
September 2017 in “Journal of Investigative Dermatology” Certain products and treatments can improve hair health and growth.
47 citations,
June 2011 in “Movement Disorders” The LRRK2-G2019S mutation in Parkinson's disease has a lifetime penetrance of 25-35%, and finasteride may help reduce symptoms in adult male Tourette syndrome patients.
46 citations,
September 2011 in “Movement Disorders” Finasteride reduces Tourette syndrome symptoms, but results may be limited due to potential biases.
40 citations,
May 2016 in “Proceedings of the National Academy of Sciences of the United States of America” Changes in keratin make hair follicles stiffer.
39 citations,
June 2017 in “Journal of Applied Research on Medicinal and Aromatic Plants” Plant-based ingredients are effective and safe for modern skincare products.