156 citations,
August 2016 in “Journal of controlled release” Tight junctions are key for skin protection and controlling what gets absorbed or passes through the skin.
150 citations,
April 2008 in “Journal of The American Academy of Dermatology” Scalp dermoscopy is good for diagnosing a type of hair loss and helps choose the best spots for biopsy.
134 citations,
December 2018 in “Dermatology and Therapy” Some vitamins and minerals like vitamin D and iron can help with certain types of hair loss, but more research is needed for others.
128 citations,
September 2003 in “Journal of Ethnopharmacology” Hibiscus rosa-sinensis leaf extract helps hair grow longer and faster.
118 citations,
October 2013 in “Trends in Genetics” The AUTS2 gene is linked to neurological disorders and may affect human brain development and cognition.
101 citations,
April 1994 in “Baillière's clinical endocrinology and metabolism” 5α-reductase is essential for male sexual development and its inhibitors have potential in treating various conditions related to hormone action.
96 citations,
April 2007 in “Journal of Investigative Dermatology” Grafted rodent and human cells can regenerate hair follicles, but efficiency decreases with age.
96 citations,
October 2000 in “The FASEB Journal” The p75 neurotrophin receptor is important for hair follicle regression by controlling cell death.
89 citations,
November 2017 in “Journal of Cellular Physiology” The Wnt/β-catenin pathway is important for tissue development and has potential in regenerative medicine, but requires more research for therapeutic use.
86 citations,
May 2002 in “Journal of Investigative Dermatology” A new keratin, hK6irs1, is found in all layers of the hair follicle's inner root sheath.
84 citations,
February 2015 in “Experimental Dermatology” PPARγ is crucial for skin health but can have both beneficial and harmful effects.
79 citations,
December 2013 in “Journal of Investigative Dermatology Symposium Proceedings” Alopecia areata may be treated by restoring hair follicle immune privilege and adjusting immune responses.
73 citations,
April 2019 in “Experimental Dermatology” The scalp's microorganisms significantly affect hair health and disease.
66 citations,
June 2020 in “Advanced Intelligent Systems” Surgical robots have improved but still can't perform tasks or make decisions on their own.
66 citations,
July 2007 in “Journal of Molecular Medicine” Stress increases certain chemicals in the skin and nerves, which might worsen skin conditions.
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.
65 citations,
February 2017 in “Pflügers Archiv - European Journal of Physiology” Macrophages are vital for skin healing, hair growth, salt balance, and cancer defense.
63 citations,
May 2017 in “American Journal of Clinical Dermatology” People with alopecia areata often have lower levels of vitamin D, zinc, and folate, but more research is needed to understand if supplements can help treat it.
62 citations,
December 1994 in “Journal of Endocrinology/Journal of endocrinology” Prolactin speeds up hair growth and moulting in cashmere goats.
60 citations,
September 2015 in “Expert Review of Clinical Immunology” Lymphocytes, especially CD8+ T cells, play a key role in causing alopecia areata, and targeting them may lead to new treatments.
59 citations,
March 2008 in “The journal of investigative dermatology/Journal of investigative dermatology” Smad-4 and Smad-7 are key in hair follicle development, with other Smads being less important.
58 citations,
January 2003 in “Thrombosis and Haemostasis” Testosterone may slow down wound healing and increase inflammation.
52 citations,
July 2001 in “Molecular and cellular endocrinology” Activin A helps heal skin wounds and protects the brain after injury.
51 citations,
May 2011 in “Phytotherapy Research” Ginseng, especially red ginseng, may help regrow hair and block a hair loss-related enzyme.
51 citations,
February 2009 in “Journal of dermatological science” Pitx2 helps outer root sheath cells differentiate but can't start hair growth on its own.
50 citations,
March 2001 in “Clinics in dermatology” Human hair is complex and grows in cycles starting from embryonic life.
48 citations,
August 1998 in “Journal of the American Academy of Dermatology” Retinoids help manage skin conditions in black individuals.
47 citations,
January 2001 in “Journal of Investigative Dermatology” High testosterone to epitestosterone ratio in hair could predict male-pattern baldness.
47 citations,
July 1967 in “Science” Not eating enough protein can cause hair roots to shrink and lose color, and hair to become thinner.
46 citations,
June 2015 in “Fertility and Sterility” Insulin resistance is significantly linked to a higher risk of depression in women with PCOS.