116 citations
,
May 2013 in “Proceedings of the National Academy of Sciences of the United States of America” Hair grows faster in the morning and is more vulnerable to damage from radiation due to the internal clock in hair follicle cells.
15 citations
,
August 2020 in “Analytical chemistry” Hair lipids do not protect against humidity.
11 citations
,
December 2016 in “Frontiers in Psychology” Hair style affects perceptions of age, health, and attractiveness more than hair color does.
February 2010 in “Journal of The American Academy of Dermatology” Social or cultural norms, not hair type, more likely influence how often people wash their hair.
17 citations
,
December 2015 in “BMC Complementary and Alternative Medicine” A new plant extract from Avicennia marina could potentially be used to treat common hair loss.
10 citations
,
January 2012 in “Journal of biomedical optics” Melanin density affects hair color, and this method can help in cosmetic assessments and diagnosing hair diseases.
8 citations
,
July 2020 in “Medicine” Helmet-like device safely increases hair density for people with hair loss.
6 citations
,
January 2023 in “npj regenerative medicine” Transplanting growing hair follicles into scars can help regenerate and improve scar tissue.
174 citations
,
November 2016 in “Cell stem cell” Different types of skin cells have unique genetic markers that affect how likely they are to spread cancer.
36 citations
,
November 2018 in “BMC plant biology” ROXY proteins help plants respond to nitrate shortage by affecting nutrient sensing and growth.
31 citations
,
April 1999 in “Dermatologic Clinics” Nd:YAG laser can reduce hair with multiple treatments, but permanent removal isn't guaranteed.
27 citations
,
May 2007 in “Archives of dermatological research” Diphencyprone treatment increases CD8 lymphocytes in the scalp, which is associated with hair regrowth in alopecia areata patients.
26 citations
,
September 2018 in “Colloids and Surfaces B: Biointerfaces” A new liposome treatment helps heal deep burns on mice by improving hair regrowth and reducing scarring.
24 citations
,
August 2022 in “Immunity” Type 2 immunity helps control mite growth in hair follicles, preventing damage.
14 citations
,
June 2019 in “BMC infectious diseases” A rare fungal infection on a child's scalp was successfully treated with antifungal medication.
12 citations
,
February 1997 in “British Journal of Dermatology” The enzyme type 1 5α-reductase is more active in the hair follicle's lower part than in the skin's outer layer.
10 citations
,
May 2019 in “BMC Complementary and Alternative Medicine” The extract from Bacillus/Trapa japonica fruit helps increase hair growth and could be a potential treatment for hair loss.
9 citations
,
January 2017 in “Annals of Dermatology” The study found genetic differences related to hair development that may explain hair loss in a patient with Trichorhinophalangeal syndrome type I.
7 citations
,
August 2021 in “Journal of the European Academy of Dermatology and Venereology” Early treatment of fibrosing alopecia in a pattern distribution may improve outcomes.
6 citations
,
October 2000 in “International Journal of Dermatology” Preventing hair loss is more effective than regrowth; oral finasteride is a realistic option.
5 citations
,
January 2012 in “Journal of Tissue Science & Engineering” Collagen membranes improve melanocyte growth for treating skin depigmentation.
2 citations
,
September 2017 in “Plastic and Aesthetic Research” Healthy Han Chinese have lower hair density than whites and Africans, and transplanting 300 hair units can nearly restore normal hair density.
Recombinant type XVII collagen may help regrow hair by activating specific cell pathways.
June 2023 in “Journal of Ayurvedic and Herbal Medicine” Age, stress, and anger increase the risk of hair fall.
January 2006 in “Seibutsu Butsuri” Curly and straight hair differ in how their internal fibers are arranged.
49 citations
,
March 2004 in “Journal of Investigative Dermatology” The hHa7 gene is regulated by androgens in certain body hair, not scalp hair.
28 citations
,
April 1988 in “Archives of Dermatological Research”
5 citations
,
November 2006 in “Dermatologic Surgery” Hair transplant surgery is a good cosmetic solution for people with little or no pubic hair, especially to boost their self-esteem.
January 2003 in “Research Portal (King's College London)” Hair color affects light reflection, with black hair having higher cuticle angles and lighter hair showing less specular reflection.
30 citations
,
December 1999 in “Journal of Investigative Dermatology Symposium Proceedings” Steroids, particularly estrogens and 5α-reductase inhibitors, affect blood vessel-related hair growth processes in hair follicle cells.