2 citations
,
August 1993 in “Archives of Dermatology” A 39-year-old woman developed uncombable hair syndrome after taking oral contraceptives.
May 2009 in “International Journal of Cosmetic Science” Permanent waving damages hair protein and weakens hair, especially with repeated treatments using sodium thioglycolate.
33 citations
,
September 2017 in “Journal of Investigative Dermatology” A mutation in the KRT25 gene causes woolly hair and hair loss.
2 citations
,
September 2010 in “Journal of the Korea Academia-Industrial cooperation Society” Using 2% collagen in perms reduces hair damage while keeping curls.
3 citations
,
March 2010 in “International Journal of Cosmetic Science” Functionalized silicones improve hair appearance, combing, and manageability.
2 citations
,
January 1990 18 citations
,
August 2009 in “Skin Research and Technology” OCT can identify hair structures, but chemical treatments can damage them.
January 2026 in “Zenodo (CERN European Organization for Nuclear Research)” January 2026 in “Zenodo (CERN European Organization for Nuclear Research)” 5 citations
,
September 2013
1 citations
,
January 2018 in “Acta dermato-venereologica” A teenager's hair with alternating white and dark bands, known as Pili annulati, is a genetic condition that is usually harmless and often considered attractive.
2 citations
,
January 2011 Relaxers straighten African hair by breaking down its helical structure using strong bases.
8 citations
,
March 2019 in “Progress in Human Geography” Hair significantly shapes body identity and social interactions, influencing how we perceive and relate to our bodies.
Human hair can almost fully recover its structure within about 1,000 minutes after being stretched.
3 citations
,
January 1981 Tight traditional hairstyles can cause hair loss.
12 citations
,
October 2018 in “Biotechnology reports” Recombinant keratin K31 makes damaged hair thicker, stronger, and straighter.
April 2026 in “Journal of Cosmetic Dermatology” More research is needed to create personalized treatments for seborrheic dermatitis in people with curly hair.
33 citations
,
March 2006 in “Seminars in cutaneous medicine and surgery” The document explains how to identify different hair problems using a microscope.
March 2010 in “Cosmetic Dermatology” Hair straightening methods have advanced to improve effectiveness and reduce damage, but still rely on heat and chemicals.
3 citations
,
July 2019 in “Fibers And Polymers/Fibers and polymers” 28 citations
,
January 1985 in “Journal of the American Academy of Dermatology” A girl with citrullinemia developed pili torti, suggesting a link between the hair condition and the metabolic disorder.
1 citations
,
December 2019 in “International journal of innovative technology and exploring engineering” Fish scale-based organic hair oil and shampoo may improve hair health and prevent damage.
9 citations
,
January 1980 in “Dermatology” Hair casts may be caused by repetitive hair pulling or styling and are often misdiagnosed.
1 citations
,
September 2003 in “CRC Press eBooks” Hair is important for social and sexual communication in humans.
5 citations
,
January 1997 in “Birkhäuser Basel eBooks”
48 citations
,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair growth is controlled by specific gene clusters and proteins, and cysteine affects hair gene expression in sheep.
2 citations
,
August 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” A specific mutation in the K25 gene causes a rare genetic disorder with curly hair at birth and later hair loss, along with dental issues.
60 citations
,
April 2018 in “Clinical, cosmetic and investigational dermatology” Tight hairstyles and chemical relaxers can cause hair loss known as traction alopecia.
8 citations
,
March 2014 in “Dermatologic Clinics” Specialized techniques are needed for hair restoration in individuals with curly Afrocentric hair due to unique challenges.
December 2025 in “British Journal of Dermatology”