2 citations
,
September 2010 in “Journal of the Korea Academia-Industrial cooperation Society” Using 2% collagen in perms reduces hair damage while keeping curls.
February 2022 in “Cosmetic Dermatology” Permanent hair waving uses chemicals to create long-lasting curls.
October 2012 in “한국미용학회지” For best curls and hair health, use keratin and ceramide after rinsing, or skip rinsing for stable curls.
97 citations
,
March 2010 in “The American Journal of Human Genetics” A mutation in the KRT74 gene causes tightly curled hair.
95 citations
,
January 2007 in “Human biology” Human hair can be classified into eight types based on physical features, not ethnicity.
85 citations
,
October 2007 in “International Journal of Dermatology” Curly hair shape is due to uneven growth patterns in the hair follicle.
75 citations
,
October 2010 in “Mammalian genome” Sphynx cats are hairless and Devon Rex cats have curly hair due to specific genetic mutations.
74 citations
,
January 2013 in “Journal of Investigative Dermatology” Four genetic risk spots found for hair loss, with WNT signaling involved and a link to curly hair.
65 citations
,
May 2006 in “Journal of Structural Biology” Hair curliness is due to uneven distribution of different cortices within the hair fiber.
59 citations
,
June 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.
48 citations
,
August 1998 in “Developmental Biology” Deleting part of a gene in mice causes wavy hair and high pup loss.
45 citations
,
January 2010 in “Journal of Veterinary Medical Science” A gene mutation causes curly hair and hair loss in rats.
32 citations
,
August 2016 in “Journal of the American Academy of Dermatology” Temporal triangular alopecia is a non-scarring hair loss in children, often linked to other health conditions.
27 citations
,
September 1988 in “PubMed” Hair follicle shape determines hair type: curly, straight, or in-between.
26 citations
,
October 1999 in “Archives of Dermatology” Curly hair in certain scalp areas can be an early sign of hair loss.
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.
17 citations
,
July 1977 in “International Journal of Dermatology” Proper shaving techniques and specific topical treatments can help manage pseudofolliculitis barbae.
12 citations
,
October 2018 in “Biotechnology reports” Recombinant keratin K31 makes damaged hair thicker, stronger, and straighter.
11 citations
,
June 2013 in “PubMed” The automated flat iron can permanently straighten hair without chemicals, especially at 154°C, and silicone improves the results.
10 citations
,
June 2019 in “Cosmetics” Mixed-race individuals have hair with varied shapes and more root damage.
10 citations
,
November 2017 in “Journal of Investigative Dermatology” A mutation in the FAM83G gene is linked to skin and hair abnormalities in two related individuals.
8 citations
,
November 2022 in “International Journal of Cosmetic Science” Human hair varies widely and should be classified by curl type rather than race.
7 citations
,
July 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.
5 citations
,
January 2021 in “Dermatology Online Journal” An 84-year-old man developed a rare scalp condition from a cancer drug but continued treatment as it was otherwise well tolerated.
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.
4 citations
,
January 2014 in “International Journal of Trichology” A 12-year-old boy with a rare genetic condition has progressive hair loss with no effective treatment.
4 citations
,
October 2013 in “PLoS ONE” Vemurafenib causes significant skin side effects, requiring regular dermatologist care and sun protection.
3 citations
,
March 2010 in “International Journal of Cosmetic Science” Functionalized silicones improve hair appearance, combing, and manageability.
2 citations
,
December 2024 in “JAAD reviews.” Modifying grooming techniques and using treatments like chemical depilatories or laser hair removal can help manage Pseudofolliculitis barbae.
2 citations
,
June 2023 in “International Journal of Women’s Dermatology” Coily/curly hair products cost more than straight hair products, highlighting a need for fair pricing.