65 citations
,
May 2001 in “Journal of Analytical Toxicology” Basic drugs like amphetamine are absorbed more in darker hair than lighter hair.
23 citations
,
August 2017 in “Scientific Reports” Darker hair may lead to higher cortisol readings, suggesting a need to adjust for hair color in studies.
2 citations
,
October 2023 in “Dermatology practical & conceptual” More research is needed to understand hair and scalp disorders in people with skin of color.
1 citations
,
August 2006 in “International forensic science and investigation series” Hair testing is a reliable method for detecting workplace drug use when done with proper sample preparation and confirmation.
114 citations
,
January 2007 in “Drug Safety” Some drugs can cause skin, nail, and hair problems, which are important for healthcare professionals to recognize and report.
14 citations
,
December 2020 in “Journal of The American Academy of Dermatology” More people, especially Hispanic/Latinx, in certain NYC communities experienced temporary hair loss during the COVID-19 pandemic.
11 citations
,
December 2016 in “Frontiers in Psychology” Hair style affects perceptions of age, health, and attractiveness more than hair color does.
94 citations
,
April 2018 in “Nature Genetics” New genetic locations explain much of hair color variation in Europeans.
25 citations
,
August 2015 in “Journal of cosmetic dermatology” African American women report more hair issues and use different hair care practices than Caucasian women, and have different hair and scalp characteristics.
2 citations
,
June 2013 in “Lasers in surgery and medicine” The hot-wire hair removal device is no better than shaving.
1 citations
,
January 2020 in “Research Square (Research Square)” Inherited color dilution in Rex rabbits is linked to DNA methylation changes in hair follicles.
Accurate prediction of eye, hair, and skin color in Latin American populations requires region-specific models and ethical guidelines.
October 2025 in “Journal of Veterinary Diagnostic Investigation” Black hair in cats has higher cortisol levels than white hair.
April 2025 in “Health Science Reports” Smoking and lighter hair color increase alopecia risk, especially in women and those over 25.
20 citations
,
September 2021 in “Nature communications” Cat color patterns are determined early in development by gene expression and epidermal changes, with the Dickkopf 4 gene playing a crucial role.
28 citations
,
May 2017 in “Molecular ecology” Researchers found genes that control hair color and growth change before the visible coat color changes in snowshoe hares.
1 citations
,
July 2025 in “International Journal of Dermatology” Misdiagnosis of hair and scalp disorders is common in patients with skin of color, highlighting the need for better training and evaluation.
June 2024 in “International journal of women’s dermatology” Dermatology residents need better training to treat hair conditions in patients with skin of color.
June 2023 in “Journal of Drugs in Dermatology” Doctors should use thorough examinations and more research to better diagnose alopecia in patients with skin of color.
18 citations
,
January 2020 in “Ecology and evolution” Genes related to pigmentation, body rhythms, and behavior change during hares' seasonal coat color transition, with a common genetic mechanism in two hare species.
7 citations
,
April 2011 in “Expert review of dermatology” The document concludes that patients with skin of color need specialized dermatological care and education to manage unique skin conditions effectively.
1 citations
,
June 2021 in “bioRxiv (Cold Spring Harbor Laboratory)” Activating β-catenin in mammary cells leads to changes that cause early-stage abnormal growths similar to skin structures.
March 2026 in “JAAD reviews.” 16 citations
,
August 2000 in “Il Farmaco” Men have more tryptophan in their hair than women, and it increases with age and is higher in darker and grey or white hair.
March 2026 in “Preprints.org” Plerixafor may help treat pigmentation disorders by promoting skin repigmentation.
7 citations
,
January 2021 in “Frontiers in genetics” Inherited color dilution in rabbits is linked to DNA methylation changes.
5 citations
,
September 2016 in “Security science and technology” DNA can predict physical traits like eye and hair color accurately, especially in Europeans, but predicting other traits and in diverse populations needs more research.
2 citations
,
September 2016 in “Springer eBooks” Humans can accurately guess age from faces, with women being slightly better at it, and age perception is linked to evolutionary factors.
1 citations
,
August 2025 in “Journal of Investigative Dermatology” Genetic studies on hair traits can improve understanding of health and disease.
June 2024 in “Molecules/Molecules online/Molecules annual” Platycladus orientalis flavonoids protect balding hair from UV damage and slow hair color change.