65 citations
,
March 2017 in “Experimental Dermatology” Curly hair is influenced by specific genetic variations.
13 citations
,
April 2018 in “Scientific Reports” The genes KRT25 and SP6 affect curly hair in horses, with KRT25 also causing hair loss. If both genes are mutated, the horse gets curly hair and hair loss. KRT25 can hide the effect of SP6.
2 citations
,
July 2013 in “Acervo Digital da Universidade Estadual Paulista (Universidade Estadual Paulista)” The shampoo effectively defines and models curls while reducing frizz and volume.
September 2025 in “Cosmetics” Lipid content and structure affect water absorption in different hair types.
A new system for classifying curly hair types using precise measurements can improve hair care products and cultural inclusion.
New methods to classify curly hair types were developed based on shape and strength.
September 2015 in “The European physical journal. E, Soft matter and biological physics/The European physical journal. E, Soft matter” Longer time setting curls overnight leads to better curl retention.
January 2007 in “Proceedings of the Korean Fiber Society Conference” New resin B makes artificial hair fibers hold curls longer than traditional resin A.
578 citations
,
April 1993 in “Cell” TGFα gene mutation in mice causes abnormal skin, wavy hair, curly whiskers, and sometimes eye inflammation.
78 citations
,
June 2003 in “Journal of the American Academy of Dermatology” Curly hair shape is determined by the hair bulb.
40 citations
,
June 2013 in “Scientific Reports” A gene variant in KRT71 causes the curly fur in Selkirk Rex cats.
35 citations
,
September 2003 in “Archives of dermatology” Tiger tail bands in hair are caused by wavy hair fibers with melanin, unlike straight fibers in normal hair.
29 citations
,
January 2003 in “Genomics” A new mouse mutation causes skin and hair issues, influenced by another gene.
18 citations
,
February 2001 in “Der Hautarzt” A woman with myotonic dystrophy had multiple skin tumors on her scalp, suggesting a genetic link.
13 citations
,
March 2017 in “Skin Research and Technology” Formaldehyde damages curly hair more than glyoxylic acid.
13 citations
,
November 2012 in “International Journal of Dermatology” Curly hair breaks more easily, especially with chemical treatments, but simpler grooming reduces breakage.
12 citations
,
July 2015 in “British journal of dermatology/British journal of dermatology, Supplement” Curly hair breaks due to mechanical damage and environmental factors, not chemical makeup, and needs ongoing care to prevent breakage.
8 citations
,
December 2020 in “Scientific reports” Selective breeding caused the unique curly hair in Mangalitza pigs.
8 citations
,
July 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” Curly hair is mechanically different from straight hair and may need new testing methods.
8 citations
,
March 2014 in “Dermatologic Clinics” Specialized techniques are needed for hair restoration in individuals with curly Afrocentric hair due to unique challenges.
6 citations
,
October 2018 in “Drug safety - case reports” Alitretinoin may cause irreversible hair curling as a side effect.
6 citations
,
March 1986 in “PubMed” Valproic acid can cause weight gain and hair texture changes.
5 citations
,
January 2016 in “Clinical psychopharmacology and neuroscience/Clinical Psychopharmacology and Neuroscience” Valproate can cause rare hair curling in some patients.
3 citations
,
November 2019 in “Clinical psychopharmacology and neuroscience/Clinical Psychopharmacology and Neuroscience” Valproate can cause both hair loss and curly hair in bipolar disorder patients.
1 citations
,
July 2024 in “International Journal of Cosmetic Science” Hair curvature is the main factor affecting curly hair manageability and product preferences.
1 citations
,
March 2023 in “Frontiers in Cardiovascular Medicine” A specific gene variant is linked to heart disease, increased heart muscle, curly hair, and thick skin on palms and soles.
1 citations
,
April 2022 in “International Journal of Women's Dermatology” Classifying curl patterns might help doctors assess and treat hair loss better.
January 2026 in “Biomedical and Biopharmaceutical Research” Pequi and buriti oils improve curly hair's gloss and strength.
November 2024 in “Journal of Microscopy” Human hair varies in structure based on curl type, with high curl hair showing the most differences.
Curly hair may be caused by a muscle contraction, and muscle relaxants might help treat it.