August 2015 in “Free Radical Biology and Medicine” Nrf2 helps protect skin from damage but too much can cause skin problems.
7 citations
,
July 2019 in “International Journal of Molecular Sciences” PGA-4HGF may help treat hair loss by activating hair growth pathways and extending the hair growth phase.
198 citations
,
October 1986 in “Differentiation” 93 citations
,
July 2006 in “Journal of Investigative Dermatology” K25, K27, and K28 are found in all inner root sheath layers of hair, while K26 is only in the cuticle.
70 citations
,
February 2007 in “Journal of Investigative Dermatology” K39 and K40 are the last keratins expressed in hair development, completing the hair keratin catalog.
4 citations
,
January 2015 in “Journal of microbial & biochemical technology” Biotin helps regulate proteins in the blood, which may explain its role in hair growth.
October 2024 in “Archives of Dermatological Research” 115 citations
,
November 2008 in “Proceedings of the National Academy of Sciences” Reptiles have genes similar to hair proteins, suggesting hair's genetic origins predate mammals.
Chirality influences the structure, strength, and biological uses of peptide-based hydrogels.
42 citations
,
July 2015 in “PLoS ONE” The study revealed the detailed structure of a keratin dimer, aiding understanding of how intermediate filament proteins function.
79 citations
,
February 2009 in “Human Genetics”
37 citations
,
June 2017 in “Journal of Investigative Dermatology” Blocking a protein called CXXC5 with a specific peptide can stimulate hair regrowth and new hair growth in wounds.
8 citations
,
June 2001 in “Journal of Biological Chemistry” A truncated protein linked to breast cancer may change cell adhesion.
85 citations
,
January 1990 2 citations
,
October 2007 in “PubMed” Topical scalp treatments could potentially reduce hair extraction.
July 2025 in “Cosmoderma” The plant-based supplement improved hair, skin, and nail health and boosted well-being without side effects.
May 2024 in “Proteome science” Bleaching damages hair by reducing the quality of keratin and keratin-associated proteins.
February 1999 in “The anatomical record” Two mouse mutants have defective hair cuticle cross-linking.
February 2022 in “Fibers” Scientists created a non-toxic, sugar-based hair product that can style hair without damage.
68 citations
,
August 2014 in “PeerJ” Human hair proteins vary by individual, body site, and ethnicity, useful for forensics.
29 citations
,
August 2011 in “PubMed” Hair and nail proteins, mainly keratins, are crucial for structure and can indicate health issues.
18 citations
,
April 2018 in “Biotechniques/BioTechniques” A new method was developed to extract and analyze proteins from very short human hairs.
1 citations
,
March 2023 in “Journal of Natural Fibers” A gentler, less damaging method for curling hair using tyrosine works well initially but fades after washing.
January 2025 in “Advanced Materials Interfaces” Tannic acid can reduce hair loss by 56.2% by coating hair and releasing beneficial molecules.
May 2024 in “International Journal of Cosmetic Science” Disulfide bonds are crucial for hair's strength, especially when wet.
March 2024 in “International journal of molecular sciences” Three specific genetic variants cause severe skin issues in children with EBS, highlighting the need for early genetic screening.
July 2023 in “International Journal of Cosmetic Science” Biopolymers are increasingly used in cosmetics for their non-toxicity and skin benefits, with future biotech advancements likely to expand their applications.
July 2025 in “Scientific Reports” Fermented grapeseed oil effectively repairs and protects chemically damaged hair.
55 citations
,
August 2013 in “PloS one” Genetic differences between young and old Tan sheep explain why their fleece changes from curly to straight as they age.
47 citations
,
September 2011 in “Acta biomaterialia” Protein composition greatly affects the function of keratin biomaterials.