62 citations
,
December 2007 in “Journal of biological chemistry/The Journal of biological chemistry” A specific chemical change in the S100A3 protein leads to the formation of a four-part structure important for hair formation.
34 citations
,
March 2009 in “Journal of Investigative Dermatology” Proteomic analysis can identify genetic differences in mouse hair, helping understand hair defects and variations.
16 citations
,
March 2013 in “Clinica Chimica Acta” Cortisol and cortisone release from hair increases in steps over time during incubation.
10 citations
,
February 2018 in “Royal Society Open Science” Modified wheat protein in shampoo repairs and smooths damaged hair effectively.
8 citations
,
May 2020 in “International journal of biological macromolecules” Certain treatments can increase protein binding to natural hair but are less effective on permed hair.
4 citations
,
July 2023 in “Pharmaceutics (Basel)” Nanoparticle-based drug delivery to hair follicles is more effective when tested under conditions that match skin behavior.
4 citations
,
January 2020 in “Elsevier eBooks” Natural polymers can protect, repair, and promote hair regrowth.
January 2012 in “eScholarship (California Digital Library)” Hair and nails contain stable RNA, useful for personalized medicine and screening.
130 citations
,
April 2003 in “Journal of Investigative Dermatology” Four specific keratins in hair follicles help understand hair structure and function.
86 citations
,
May 2002 in “Journal of Investigative Dermatology” A new keratin, hK6irs1, is found in all layers of the hair follicle's inner root sheath.
35 citations
,
February 2003 in “Biochimica et Biophysica Acta (BBA) - General Subjects” Lead can help reveal and organize lipids in human hair.
29 citations
,
October 2017 in “Journal of proteomics” The research found specific proteins that affect fiber characteristics and hair growth in sheep and goats.
16 citations
,
June 2015 in “The journal of investigative dermatology/Journal of investigative dermatology” The enzyme DHHC13 is essential for healthy hair and skin, and its deficiency leads to hair loss and skin problems.
14 citations
,
September 2019 in “Forensic Science International Genetics” Hair keratin proteins can be reliably identified in hair as short as 0.12 cm, with 0.5 to 2 cm being the best length for analysis.
2 citations
,
July 2023 in “Cosmetics” Surfactants in shampoos and conditioners remove some but not all lipids from hair, and more research is needed to understand their full impact.
1 citations
,
July 2023 in “Forensic science international. Genetics” Hair protein analysis might help identify a person's ethnicity, sex, and age in forensics.
February 2026 in “Journal of Craniofacial Surgery Open” Hair extensions can damage scalp health and cause hair loss, especially with prolonged use.
December 2025 in “Rapid Communications in Mass Spectrometry” Pepsin digestion improves accuracy in analyzing proteins in human hair.
October 2025 in “Coloration Technology” Delipidised wool is brighter, dyes better, and is more eco-friendly.
October 2025 in “International Journal of Cosmetic Science” Hair properties vary by ethnicity and environment, affecting surface charge and particle deposition.
May 2025 in “Clinical Cosmetic and Investigational Dermatology” Wheat extract supplements reduce hair shedding and improve growth in women with hair loss.
February 2025 in “International Journal of Cosmetic Science” Protein carbonylation is a sensitive marker for oxidative damage in hair, especially from light exposure.
January 2024 in “Authorea (Authorea)” Using laccase to add poly(tyrosine) to wool makes it less likely to shrink and stronger.
July 2023 in “Drug testing and analysis (Print)” Homemade hair treatments can significantly lower drug levels in hair, possibly causing false-negative drug tests.
The document concludes that understanding hair's composition and the effects of treatments can lead to better hair care products.
July 2012 in “International Journal of Trichology” Understanding hair health and disorders is important for effective treatment.
39 citations
,
June 2019 in “Nanomaterials” Nanotube-based hair treatments could improve hair health and growth, and offer long-lasting effects.
12 citations
,
May 2013 in “International Journal of Dermatology” Ethosomes improve black tea extract absorption in hair dye.
3 citations
,
February 2023 in “ACS omega” Grape seed oil improved hair quality the most, followed by rosehip and safflower seed oils, and reduced damage from shampoo.
309 citations
,
October 2007 in “Biomaterials” Keratin from human hair helps nerves heal faster.