1 citations
,
March 2019 in “Economic Inquiry” Balding men value hair restoration highly, willing to pay over $5,000 for a slight improvement.
4 citations
,
October 2022 in “Journal of Imaging” An intelligent system can classify hair follicles and measure hair loss severity with reasonable accuracy.
January 1999 in “Journal of S C C J” Certain growth factors regulate hair growth cycles, male hormones affect hair cycles, and drugs like Minoxidil and Finasteride can stimulate hair growth and inhibit male pattern baldness respectively.
199 citations
,
January 2004 in “The International Journal of Developmental Biology” Hair follicle growth and development are controlled by specific genes and molecular signals.
April 2016 in “Journal of Investigative Dermatology” Autophagy, a cell recycling process, is crucial for prolonged hair growth and could be a potential target for treating hair growth disorders.
1 citations
,
January 2018 in “Acta dermato-venereologica” A teenager's hair with alternating white and dark bands, known as Pili annulati, is a genetic condition that is usually harmless and often considered attractive.
September 2025 in “International Journal of Cosmetic Science” Friction causes hair breakage during combing, and fragment count predicts hair strength.
36 citations
,
December 2016 in “Journal of The American Academy of Dermatology” The normal range for the hair pull test is 2 hairs or fewer, and washing or brushing hair before the test does not affect the results.
A new system for classifying curly hair types using precise measurements can improve hair care products and cultural inclusion.
16 citations
,
November 2013 in “European Journal of Dermatology” Hair gets thinner and grayer with age, and density decreases more in men on top and in women on top and back.
26 citations
,
October 2002 in “Journal of Investigative Dermatology” A specific gene mutation causes congenital hair loss.
1 citations
,
January 2018 in “bioRxiv (Cold Spring Harbor Laboratory)” Increased PHGDH expression causes early melanin buildup in hair follicles.
June 2025 in “arXiv (Cornell University)” The system can have a stable solution under certain conditions, helping understand hair loss in Alopecia Areata.
Long bean leaf juice significantly promotes hair growth.
April 2025 in “British Journal of Dermatology” Age, sex, BMI, menopause, and specific genes affect hair density in East Asians.
October 2024 in “Skin Research and Technology” Pili annulati causes zebra-striped hair but doesn't affect hair strength or quality of life.
16 citations
,
February 2015 in “Photochemistry and Photobiology” Hair acts as a significant natural sun barrier, with protection increasing based on hair density, thickness, and melanin presence.
95 citations
,
July 2006 in “British Journal of Dermatology” Vitamin D receptors in hair follicles change with the hair cycle, affecting hair growth.
8 citations
,
February 2005 in “British Journal of Haematology” Chemotherapy caused the patient's hair to have alternating thick and thin segments.
21 citations
,
October 2011 in “PloS one” Certain molecules in hair change with age and could be used for cosmetic treatments.
27 citations
,
November 2005 in “Archives of Dermatological Research” Choosing hair follicles at the same growth stage leads to more consistent hair growth experiments.
3 citations
,
July 2019 in “Fibers And Polymers/Fibers and polymers” 92 citations
,
February 2005 in “Endocrinology” Estrogen receptors affect hair growth, with ER beta slowing down the hair cycle changes caused by ER alpha.
10 citations
,
November 1997 in “British Journal of Dermatology” RU58841 significantly increases hair growth rate and initiates more hair cycles, but doesn't affect hair thickness, suggesting it could be a new treatment for baldness.
January 2007 in “Durham e-Theses (Durham University)” Hair growth and shedding involve specific cell changes and gene roles.
1 citations
,
September 2017 in “Journal of Investigative Dermatology” Hair loss is more common in summer and fall.
26 citations
,
October 1999 in “Archives of Dermatology” Curly hair in certain scalp areas can be an early sign of hair loss.
11 citations
,
February 2002 in “International Journal of Cosmetic Science” Recent findings show that hair growth and color are controlled by a complex network of signals in the hair follicle.
13 citations
,
December 2017 in “Stem cells” Low-dose radiation affects hair stem cell function and survival by changing their genetic material's structure.
Loose anagen hair syndrome in children may improve with age, but treatment results vary.