300 citations,
October 2012 in “Seminars in Cell & Developmental Biology” The conclusion is that certain cell interactions and signals are crucial for hair growth and regeneration.
211 citations,
April 2013 in “Development” More dermal papilla cells in hair follicles lead to larger, healthier hair, while fewer cells cause hair thinning and loss.
98 citations,
December 2008 in “Human mutation” A genetic change in the EDAR gene causes the unique hair traits found in East Asians.
66 citations,
February 2006 in “Photochemical & photobiological sciences” We don't fully understand how sunlight damages different types of hair.
19 citations,
October 2017 in “The FASEB Journal” Male hormones cause different growth in identical human hair follicles due to their unique epigenetic characteristics.
19 citations,
July 1994 in “Journal of Dermatological Science” Human hair keratin genes are similar to mouse genes and are specifically expressed in hair follicles.
22 citations,
July 2003 in “Military medicine” New treatments are available for managing ingrown hair inflammation.
19 citations,
September 2020 in “General and comparative endocrinology” Hair cortisol is a reliable stress indicator in cattle but may not be valid for pigs.
47 citations,
July 2005 in “British Journal of Dermatology” Topical vitamin D3 does not prevent hair loss from chemotherapy.
12 citations,
September 2011 in “Archives of Dermatological Research” Policemen have more hair loss due to obesity, sunlight exposure, and stress.
9 citations,
July 2022 in “Cell reports” Sox2 controls hair color by affecting pigment production in hair follicles.
2 citations,
January 2022 in “Anais brasileiros de dermatologia/Anais Brasileiros de Dermatologia” Chemical hair straighteners can cause scalp and hair damage, but long-term effects are unclear.
February 2022 in “Fibers” Scientists created a non-toxic, sugar-based hair product that can style hair without damage.
November 2023 in “Translational Medicine Communications” Derinat may improve hair growth and quality of life in hair loss patients by reducing oxidative stress.
12 citations,
January 2003 in “Dermatology Online Journal” A new treatment for hair loss was tested and most participants saw their hair loss stop within 2-8 weeks, with up to 50% more hair after 4 months, and no side effects.
2 citations,
August 2020 in “Scientific reports” Genes related to keratin, skin cell differentiation, and immune functions are key in hedgehog skin and spine development.
May 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” The study found that certain genes are important for hedgehog skin appendage development and immunity, with spines possibly evolving for protection and infection resistance.
21 citations,
December 2007 in “Primary Care” Early diagnosis and treatment of PCOS is crucial to reduce emotional distress and health risks.
53 citations,
May 2014 in “Experimental Dermatology” Wnt10b makes hair follicles bigger, but DKK1 can reverse this effect.
55 citations,
June 2017 in “Experimental Dermatology” The document describes a way to isolate and grow human hair follicle cells in 3D to help study hair growth.
20 citations,
July 2020 in “Experimental Dermatology” Aging scalp skin contributes to hair aging and loss, and more research is needed to develop better hair loss treatments.
16 citations,
April 2019 in “Experimental dermatology” Injury changes how hair follicle stem cells behave, depending on the hair growth stage.
7 citations,
November 2014 in “Histochemistry and Cell Biology” The we/we wal/wal mice have defects in hair growth and skin layer formation, causing hair loss, useful for understanding alopecia.
6 citations,
February 2019 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.
48 citations,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair growth is controlled by specific gene clusters and proteins, and cysteine affects hair gene expression in sheep.
32 citations,
August 2015 in “Anais Brasileiros de Dermatologia” Black women's unique hair characteristics and styling practices can lead to specific scalp conditions, which require early diagnosis and appropriate treatment.
21 citations,
November 2014 in “British Journal of Dermatology” Hair thickness matters more than density for baldness in Japanese men over 25.
14 citations,
March 1995 in “Journal of cell science” SV40 T antigen in hair follicles causes abnormal hair and health issues in mice.
10 citations,
November 2012 in “International Journal of Dermatology” Certain diseases like AIDS and lupus can make African hair become silky.
8 citations,
December 2020 in “Scientific reports” Selective breeding caused the unique curly hair in Mangalitza pigs.