4 citations
,
July 2001 in “Personality and Individual Differences” Men with moderate hair loss had the best spatial thinking, and long-term DHT might affect cognition.
1 citations
,
January 2023 in “International journal of all research education and scientific methods” Hair analysis is better than urine and blood for detecting past drug use.
128 citations
,
January 1996 in “Journal of analytical toxicology.” Hair analysis can detect cocaine use but doesn't accurately show the amount or timing of use.
63 citations
,
August 1996 in “Forensic Science International” Cosmetic treatments like bleaching and perming can greatly reduce opiate levels in hair, possibly leading to false-negative drug tests.
55 citations
,
October 2003 in “Dermatologic Clinics” Different hair care practices and conditions affect African American hair and scalp health, requiring specialized knowledge for treatment.
54 citations
,
August 2009 in “Dermatologic Surgery” Modern hair transplants use small grafts for a natural look and drugs to prevent further loss, with high patient satisfaction.
37 citations
,
October 2014 in “Maturitas” Men's hair loss is caused by hormones and genes, and can be treated with medication and surgery, while graying is due to aging and has no prevention except dyeing.
30 citations
,
March 2017 in “ACS biomaterials science & engineering” Hair follicles are valuable for regenerative medicine and wound healing.
24 citations
,
August 2013 in “Facial Plastic Surgery Clinics of North America” Hair restoration surgery can have complications; success depends on patient education, careful planning, and proper execution.
17 citations
,
February 2018 in “Journal of Cosmetic and Laser Therapy” The QR 678 hair growth treatment was safe and effective for hair regrowth in men and women.
13 citations
,
June 2021 in “Carcinogenesis” Certain hair straighteners and dyes may increase ovarian cancer risk, especially in African American/Black women.
Afro-textured hair is more fragile and prone to certain scalp conditions, requiring careful treatment and more research for effective management.
1 citations
,
May 2021 in “Journal of Cosmetic Dermatology” Cosmetic foam product reduces hair loss and increases hair density in men.
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.
December 2025 in “International Journal For Multidisciplinary Research” Microscopic hair analysis is important in forensics but has limitations; new technologies are improving its accuracy.
September 2023 in “Journal of movement disorders” Dopaminergic therapy in Parkinson's disease patients is linked to increased hair loss.
January 2018 in “Springer eBooks” Gender affects hair and scalp characteristics, with differences in hormone responses, graying patterns, and trace metals.
Forensic hair analysis for drugs is now more reliable and accurate.
April 2023 in “Acta Poloniae Pharmaceutica” Herbal extract shampoo increased certain minerals in hair and improved hair growth and scalp health.
September 2015 in “Dermatologic Surgery” Computer-aided imaging system accurately measures baldness in Chinese women with hair loss.
193 citations
,
August 2005 in “Journal of Investigative Dermatology Symposium Proceedings” Hair loss common in Australia; men affected earlier, more often than Asians; women less concerned.
77 citations
,
July 2020 in “Cell” Muscles and nerves that cause goosebumps also help control hair growth.
4 citations
,
August 2020 in “Journal of Cosmetic Dermatology” QR 678 and QR678 Neo treatments are effective for hair loss in women with PCOS.
November 2025 in “Communications Biology” Human hair contains many different molecules that change along its length, influenced by personal care products.
Hair follicles can be used to quickly assess drug effects in cancer treatment.
184 citations
,
November 2014 in “Developmental Cell” Hair follicle dermal stem cells are key for regenerating parts of the hair follicle and determining hair type.
73 citations
,
June 2003 in “Journal of the American Academy of Dermatology” Dermatologists need to understand African American hair-care practices to better treat their hair and scalp disorders.
71 citations
,
January 2019 in “International journal of biological sciences” Exosomes from dermal papilla cells help hair growth by making hair follicle stem cells multiply and change.
59 citations
,
August 2010 in “Journal of The American Academy of Dermatology” Certain hairstyles and less hair oil use in African American girls can lead to scalp conditions like traction alopecia and seborrheic dermatitis.
55 citations
,
June 2006 in “Central European Journal of Public Health” Hair loss in older men is linked to higher rates of diabetes and high blood pressure.