36 citations,
August 2011 in “Journal of dermatological science” Human hair has a protective lipid layer that can be damaged by moisture and treatments, affecting hair growth and health.
44 citations,
January 2011 in “Journal of biotechnology” Scientists recreated human hair follicles in the lab that can grow hair.
13 citations,
December 2021 in “Journal of Cellular and Molecular Medicine” Exosome-enriched vesicles from placental cells improved skin condition in a patient with chronic graft-versus-host disease.
10 citations,
December 2021 in “Frontiers in cell and developmental biology” Glypican-1 is important for blood vessel growth in hair follicles and could help treat hair loss.
April 2024 in “Journal of cosmetic dermatology” Aging changes the red part of lips, affecting life quality and sparking cosmetic interest.
20 citations,
July 2010 in “Skin Research and Technology” Aging makes hair thinner and rougher, with less clear edges.
March 2010 in “International Journal of Cosmetic Science” Disulfide bonds affect the melting behavior of hair's crystalline structure, but hair retains some stability even after these bonds are broken.
1 citations,
January 2009 in “Journal of S C C J” Changing disulfide bonds in human hair affects its melting behavior and thermal stability.
23 citations,
May 2010 in “Surface and interface analysis” Chemical treatments and UV radiation severely damage the lipid layer on hair.
89 citations,
August 2008 in “Human genetics” The EDAR gene greatly affects hair thickness in Asian populations.
January 2022 in “Przegla̧d dermatologiczny” The exact cause of frontal fibrosing alopecia is unknown, but it's not likely due to sunscreen.
98 citations,
June 2008 in “Human mutation” A genetic change in the EDAR gene causes the unique hair traits found in East Asians.
16 citations,
January 2016 in “Annals of Dermatology” Green tea component EGCG may help prevent hair loss by changing microRNA levels in certain scalp cells.
December 2017 in “Dong-ui saengni byeongni hakoeji” Cynanchi Wilfordii Radix has strong antioxidant effects and may help treat male hair loss.
Mealworm extract may help prevent hair loss and promote hair growth due to its antioxidant activity.
13 citations,
April 2015 in “Human Reproduction” Obese Hispanic women with PCOS are at higher risk for metabolic problems than non-Hispanic white women.
2 citations,
March 2017 in “Asian Journal of Beauty and Cosmetology” Caffeic acid protects human scalp cells from UV damage.
7 citations,
August 2005 in “Evolutionary anthropology” Human hair is unique and important for understanding human evolution and identity.
13 citations,
May 2001 in “Current problems in dermatology” Keratin proteins in epithelial cells are dynamic and crucial for cell processes and disease understanding.
13 citations,
January 1993 in “Archives of dermatological research” Human hair follicles can grow and stay healthy for up to 8 days in a lab setting.
28 citations,
December 2011 in “Biocatalysis and biotransformation” PDI helps restore over-bleached hair's strength and structure by attaching special peptides.
36 citations,
February 2017 in “BMC Complementary and Alternative Medicine” Geranium sibiricum extract helps hair grow and is more effective than minoxidil but can be toxic in high concentrations.
November 2022 in “Journal of Investigative Dermatology” Apocynin may protect skin cells from aging and damage caused by UVB light.
378 citations,
November 2011 in “Human reproduction update” Experts recommend using evidence-based methods to diagnose and treat hirsutism, focusing on symptoms and underlying causes.
7 citations,
June 2021 in “Amino acids” Human hair protein modifications could potentially indicate heart disease risk.
53 citations,
June 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” KAP genes show significant genetic variability, but its impact on hair traits is unclear.
221 citations,
January 2014 in “Human Reproduction” Adding anti-Müllerian hormone to PCOS criteria lowers the number of women diagnosed.
June 1972 in “Archives of internal medicine” Androgens play a key role in hair growth.
1 citations,
November 2019 in “Applied sciences” Human hair provides more UV protection when aligned and at higher angles, but the scalp still gets UV exposure.
10 citations,
December 2017 in “Physiological Reports” Hair follicle analysis can track body changes from high-intensity interval training.