7 citations
,
January 1981 in “Springer eBooks” Certain small molecules and polymers can change hair's physical properties and how it feels by affecting the bonds within the hair.
6 citations
,
October 1988 in “Clinics in Dermatology” The molecular details of hair growth are not well understood.
5 citations
,
August 2016 in “International Journal of Cosmetic Science” Shampoo coacervates can cause scalp irritation due to released surfactants.
4 citations
,
January 2020 in “Elsevier eBooks” Natural polymers can protect, repair, and promote hair regrowth.
4 citations
,
January 2015 in “Sen'i Gakkaishi” Hair and wool strength is affected by the number and type of bonds in their protein structures, with hair having more protein aggregates than wool.
3 citations
,
January 2021 in “ScienceAsia” Using an enzyme and keratin treatment can significantly repair and strengthen damaged hair.
3 citations
,
January 2002 in “Springer eBooks” Alkaline hair relaxers damage hair, but cationic and non-ionic polymers can help reduce this damage.
2 citations
,
July 2012 in “PubMed” Ceramide-rich liposomes can effectively repair and strengthen damaged hair.
1 citations
,
January 2019 in “Studia Biologica” Extracted keratin from wool and hair can be used in medicine and bioengineering.
December 2025 in “The American Journal of Medical Sciences and Pharmaceutical Research” Ultrasonic and infrared treatments can improve hair strength and appearance with minimal damage.
September 2025 in “International Journal of Cosmetic Science” Heat and UV exposure damage hair structure by altering keratins.
August 2024 in “Cosmetics” K18® and Olaplex® both effectively repair bleached hair, improving its strength, smoothness, and overall health.
December 2023 in “The journal of physical chemistry. B (1997 : Online)” Human hair keratin might be good for filtering out harmful substances from water.
November 2023 in “Journal of the Taiwan Institute of Chemical Engineers” Scientists made nanoparticles from human hair proteins to improve drug delivery.
Human hair keratins can be turned into useful 3D biomedical scaffolds through a freeze-thaw process.
December 2019 in “C&EN Global Enterprise” Thicker hair isn't always stronger.
June 2017 in “University of the Arts London Research Online (University of the Arts London)” Polymers help reduce damage and improve bleached hair when used during or after bleaching.
January 2013 in “프로그램북(구 초록집)” Hair perms or treatments seem safe to use up to 3 to 4 times during pregnancy.
Hair coloring and bleaching can permanently break down hair protein and temporarily change its properties.
Transglutaminases help form strong hair by linking proteins, and can potentially alter hair properties.
March 2026 in “Journal of the mechanical behavior of biomedical materials/Journal of mechanical behavior of biomedical materials” Hair cuticles remain stable and resilient under stress due to strong protein content and crosslinking.
February 2026 in “Journal of Craniofacial Surgery Open” Hair extensions can damage scalp health and cause hair loss, especially with prolonged use.
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.
30 citations
,
August 1984 in “Journal of the American Academy of Dermatology” Low-sulfur hair syndrome can cause UVB sensitivity and testicular failure.
July 2025 in “The Journal of Physiology” C-tactile afferents are linked to emotional touch and social bonding through hair movement.
30 citations
,
January 1999 in “Journal of Cutaneous Pathology” Spiny keratoderma may be ectopic hair formation on palms and soles.
24 citations
,
January 2009 in “International Journal of Trichology” Sunlight exposure ages hair, making it brittle, stiff, and dry.
6 citations
,
April 2005 in “Journal of dermatological science” The study found nine new hair protein genes in human hair follicles.
4 citations
,
December 1995 in “Anthropologischer Anzeiger” Family members have similar hair protein patterns, which could be useful for genetic studies.
May 2022 in “Experimental dermatology” Trichothiodystrophy hair is structurally abnormal with protein and organization issues.