75 citations
,
November 1965 in “Textile research journal” Papain and bisulfite break down human hair by dissolving parts of it.
NaOH treatment improves hair strength and suitability for textiles.
Different treatments change the strength and flexibility of human hair.
January 2023 in “SSRN Electronic Journal” The fibroin-based formulation strengthens and repairs chemically damaged hair.
January 2000 in “Zhongguo yixue wulixue zazhi” Different human hair keratin types have unique structures that affect how they dissolve and can be used to create self-tendons.
52 citations
,
February 2005 in “Biopolymers” Chemical hair straightening changes hair proteins and mostly fixes broken bonds.
8 citations
,
July 2004 in “Journal of morphology” Marsupial hair structure and keratin distribution are similar to placental mammals.
6 citations
,
January 2005 in “Han-guk hyeonmigyeong hakoeji/Applied microscopy” The 16th-century mummy's hair was well-preserved due to a calcium surface coat.
20 citations
,
December 2012 in “Journal of molecular structure” The study found that thioglycolic acid breaks down hair bonds more consistently than l-cysteine, which is less damaging to hair.
50 citations
,
March 2001 in “Clinics in dermatology” Human hair is complex and grows in cycles starting from embryonic life.
The keratin-based cream effectively repaired and improved damaged hair.
99 citations
,
July 2005 in “Ultramicroscopy” The research improved understanding of hair and skin properties across different ethnicities and conditions.
November 2025 in “Advanced Healthcare Materials” Charge-conversion chemistry improves hair-rebonding by enhancing penetration and strength.
May 2024 in “Indian journal of pharmacy and pharmacology” Luliconazole is more effective than ketoconazole at repairing damaged hair cuticles.
42 citations
,
January 2009 in “Colloids and Surfaces B: Biointerfaces” A certain surfactant sticks to human hair, making it change from water-repelling to water-attracting, which could help in hair conditioning.
May 2017 in “Journal of microscopy and ultrastructure” Water quality affects mineral content in hair, and coconut oil can protect against damage.
8 citations
,
March 2018 in “Cosmetics” UV radiation damages hair by creating holes and peeling cuticle layers.
Water and fatty acids affect hair's surface differently based on hair damage, and models can help understand hair-cosmetic interactions.
January 2024 in “Uttar Pradesh journal of zoology” Chemical treatments severely damage hair cuticles, especially in previously treated hair.
April 2023 in “Han'gug miyong haghoeji/Journal of the Korean society of cosmetology” Direct heat perms cause more damage to hair than softening heat perms.
19 citations
,
July 2018 in “ACS biomaterials science & engineering” Bleaching and combing damage hair's surface and mechanical properties.
17 citations
,
July 2019 in “Scientific reports” Surface and internal treatments can help prevent hair lipid loss during washing.
1 citations
,
October 2017 in “ecancermedicalscience” Breast cancer alters specific molecular structures in hair, which revert after cancer removal.
18 citations
,
April 2010 in “Langmuir” Human hair surface varies in wettability, showing daily and monthly patterns.
27 citations
,
May 2019 in “Cosmetics” The hair cuticle is made of tough proteins that protect the hair, but more research is needed to fully understand its structure.
February 2024 in “Medicina” AFM can diagnose hair disorders by revealing detailed hair surface changes.
47 citations
,
June 1996 in “International Journal of Legal Medicine” Hair analysis for drugs needs a better understanding of how drugs enter hair, considering factors like hair structure and pigmentation.
12 citations
,
February 2019 in “Skin research and technology” White hair has less lipid content and absorbs water differently than brown hair.
January 2025 in “Journal of Raman Spectroscopy” Polarized Raman spectra can reveal changes in hair keratin's protein structures.
25 citations
,
May 2019 in “Cosmetics” 18-MEA and cationic surfactants can restore and maintain hair's hydrophobic nature, improving its beauty and feel.