2 citations,
July 2019 in “Indian dermatology online journal” A 17-year-old girl and her brothers have a rare hair condition with long eyelashes, thick eyebrows, and easily pluckable hair.
Different scalp and hair disorders are more common in certain ethnic groups, with the most common being androgenetic alopecia, which is treated with medications like minoxidil and finasteride.
Hair keratin treatments can be harmful, potentially causing health issues like skin reactions and cancer.
3 citations,
October 1990 in “Journal of the American Academy of Dermatology” Mechanical trauma like towel drying can cause knotted hair even in straight hair.
11 citations,
February 1989 in “Journal of veterinary medicine. Series A” Crossbreeding certain European cattle breeds may cause hair and physical issues in cattle.
research Hair
November 2005 in “CRC Press eBooks” Hair and skin are closely linked, and hair products can affect skin health.
2 citations,
January 2018 in “European journal of pediatric surgery reports” A baby girl's hair turned straight on one side due to a neck tumor and surgery, but it returned to curly as she recovered.
February 2025 in “International Journal of Cosmetic Science” A new amino acid derivative, ATS, improves hair texture and moisture, making it easier to straighten curly hair.
2 citations,
March 2014 in “Dermatologic Clinics” The editor suggests removing "race" and "ethnicity" from dermatology and creating tools to objectively assess skin color and hair texture.
September 2021 in “CRC Press eBooks” Acne keloidalis nuchae is a hair loss condition affecting men of African descent, causing scar-like bumps on the scalp and neck.
7 citations,
October 2020 in “International Journal of Cosmetic Science” Different sizes of keratin peptides can strengthen hair, with smaller ones possibly increasing volume and larger ones repairing damage.
August 2005 in “Microscopy and Microanalysis” Polymethylene wax in hair relaxers makes hair smooth and shiny with less damage.
47 citations,
January 2013 in “International Journal of Cosmetic Science” Hair diversity is influenced by complex genetics and environmental factors, requiring more research for practical solutions.
15 citations,
September 2016 in “Hair transplant forum international” The "open punch" technique for hair transplantation can help reduce damage to hair grafts and may be especially useful for beginners and in cases with curly hair.
Bovines can have rare inherited skin diseases with specific symptoms like hair loss, fragile skin, and abnormal porphyrin buildup.
February 2022 in “Fibers” Scientists created a non-toxic, sugar-based hair product that can style hair without damage.
23 citations,
June 2014 in “International Journal of Cosmetic Science” Glyoxylic acid is a safer alternative to formaldehyde for hair straightening and effectively changes hair structure.
9 citations,
September 2014 in “British journal of dermatology/British journal of dermatology, Supplement” Pseudofolliculitis cutis causes painful skin bumps and needs proper shaving and treatments to manage.
2 citations,
March 2010 in “European journal of dermatology/EJD. European journal of dermatology” A young Caucasian girl had both woolly hair and alopecia areata, which is rare.
1 citations,
October 2012 in “The Journal of Dermatology” A Korean girl developed kinky hair without known cause or effective treatment.
June 2023 in “British journal of dermatology/British journal of dermatology, Supplement” A child with skin and tooth symptoms was found to have a genetic mutation causing cardiocutaneous syndrome, leading to heart problems.
55 citations,
March 2007 in “Journal of cosmetic dermatology” Afro-ethnic hair can be straightened using chemical and heat methods.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” Tet2 and Tet3 enzymes are important for controlling hair growth and shape by affecting gene activity and DNA structure in hair follicles.
20 citations,
February 2012 in “Archives of dermatology” Leg hair transplants can create a natural-looking hairline and show successful growth over several years.
3 citations,
January 2023 in “Science advances” The enzymes Tet2 and Tet3 are important for skin cell development and hair growth.
9 citations,
February 2018 in “The Journal of Dermatology” A new mutation in the LIPH gene was found to cause a rare hair disorder in a Japanese boy.
May 2015 in “Journal of the American Academy of Dermatology” New hair after alopecia areata can be thinner and change color but usually keeps the same shape.
15 citations,
June 2019 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” Chemical and physical treatments like bleaching, dyeing, and UV radiation damage both Caucasian and Afro-ethnic hair.
Variant G of the KRTAP20-1 gene improves wool curliness in Chinese Tan sheep.
34 citations,
December 2009 in “Journal of the American Academy of Dermatology” Improper use of ceramic flat irons can cause severe hair damage.