10 citations
,
December 2021 in “Frontiers in cell and developmental biology” The research identified genes that explain why some sheep have curly wool and others have straight wool.
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.
3 citations
,
January 2002 in “Springer eBooks” Alkaline hair relaxers damage hair, but cationic and non-ionic polymers can help reduce this damage.
75 citations
,
October 2010 in “Mammalian genome” Sphynx cats are hairless and Devon Rex cats have curly hair due to specific genetic mutations.
40 citations
,
June 2013 in “Journal of cosmetic dermatology” Brazilian keratin treatments can straighten hair but may contain harmful formaldehyde.
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.
40 citations
,
February 1990 in “Journal of The American Academy of Dermatology” A 17-year-old developed woolly hair nevus in adolescence, which is unusual, and over time the hair darkened and straightened slightly, but microscopic changes persisted.
32 citations
,
July 2011 in “Facial Plastic Surgery” New hair transplant methods offer more natural results and better graft survival, with ongoing research to increase donor hair options.
10 citations
,
June 2019 in “Cosmetics” Mixed-race individuals have hair with varied shapes and more root damage.
January 2023 Hair keratin treatments can be harmful, potentially causing health issues like skin reactions and cancer.
74 citations
,
June 2013 in “Journal of Investigative Dermatology” Four genetic risk spots found for hair loss, with WNT signaling involved and a link to curly hair.
55 citations
,
March 2007 in “Journal of cosmetic dermatology” Afro-ethnic hair can be straightened using chemical and heat methods.
25 citations
,
October 2014 in “Dermatologic Surgery” Hair transplants can effectively treat hair loss from CCCA in African American women if there's no inflammation.
7 citations
,
November 2021 in “Clinical, Cosmetic and Investigational Dermatology” The new hair graft device is faster, more efficient, and reduces damage to hair follicles.
7 citations
,
August 2014 in “Facial Plastic Surgery Clinics of North America” Different ethnic hair traits must be considered for successful hair restoration surgery to achieve natural-looking results.
6 citations
,
October 2018 in “Drug safety - case reports” Alitretinoin may cause irreversible hair curling as a side effect.
4 citations
,
June 2022 in “Clinical, cosmetic and investigational dermatology” The new SFS Scale predicts hair transplant difficulty using hair and skin types, with thick skin and coily hair being hardest to work with.
1 citations
,
October 2012 in “The Journal of Dermatology” A Korean girl developed kinky hair without known cause or effective treatment.
December 2023 in “Clinical, cosmetic and investigational dermatology” The new hair transplant technique is fast, effective, and satisfying for patients with different hair types.
August 2005 in “Microscopy and Microanalysis” Polymethylene wax in hair relaxers makes hair smooth and shiny with less damage.
59 citations
,
July 2008 in “Journal of The American Academy of Dermatology” The article explains the genetic causes and symptoms of various hair disorders and highlights the need for more research to find treatments.
12 citations
,
December 2018 in “Biotechnology reports” Recombinant keratin K31 makes damaged hair thicker, stronger, and straighter.
12 citations
,
January 2013 in “Indian dermatology online journal” The document reports a unique case of woolly hair with a combination of conditions not previously seen together.
10 citations
,
November 1997 in “British Journal of Dermatology” A 10-year-old boy had the earliest reported case of hair that became progressively kinkier but eventually returned to normal on its own.
9 citations
,
February 2015 in “British journal of dermatology/British journal of dermatology, Supplement” Pseudofolliculitis cutis causes painful skin bumps and needs proper shaving and treatments to manage.
3 citations
,
March 2010 in “International Journal of Cosmetic Science” Functionalized silicones improve hair appearance, combing, and manageability.
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.
2 citations
,
May 2004 in “SKINmed/Skinmed” Proper shaving techniques and treatments can help prevent and manage ingrown hairs and inflammation in people with curly hair.
February 2022 in “Fibers” Scientists created a non-toxic, sugar-based hair product that can style hair without damage.
55 citations
,
August 2013 in “PloS one” Genetic differences between young and old Tan sheep explain why their fleece changes from curly to straight as they age.