47 citations
,
January 2017 in “RSC Advances” Keratin peptides can change hair shape gently without harsh chemicals.
42 citations
,
January 2017 in “Genes” The gene KAP22-1 affects wool yield and fiber shape in sheep.
41 citations
,
July 2020 in “Colloids and surfaces. B, Biointerfaces” Different hair protein amounts change the strength of keratin/chitosan gels, useful for making predictable tissue engineering materials.
40 citations
,
May 2016 in “Proceedings of the National Academy of Sciences of the United States of America” Changes in keratin make hair follicles stiffer.
40 citations
,
June 2013 in “Journal of cosmetic dermatology” Brazilian keratin treatments can straighten hair but may contain harmful formaldehyde.
38 citations
,
October 2011 in “Analytical biochemistry” Hair proteins have weak spots in their α-helical segments.
36 citations
,
July 2019 in “Journal of Materials Science Materials in Medicine” Human hair keratin helps repair nerve damage in rats.
30 citations
,
June 2024 in “Scientific Reports” The hydrogel shows promise for wound healing due to its strong mechanical, antimicrobial, and antioxidant properties.
30 citations
,
March 2019 in “Archives animal breeding/Archiv für Tierzucht” The KRTAP15-1 gene affects cashmere fiber thickness in goats.
27 citations
,
June 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” The study found that variations in hair protein genes are likely due to evolutionary deletions or duplications.
24 citations
,
April 2017 in “Oncology Reports” The hair keratin gene KRT81 is found in both normal and breast cancer cells and helps them invade surrounding tissues.
23 citations
,
January 2015 in “Stem cells international” Coating surfaces with human hair keratin improves the growth and consistency of important stem cells for medical use.
20 citations
,
May 2007 in “Asian-Australasian Journal of Animal Sciences” KAP8.2 gene variations affect cashmere quality in goats.
14 citations
,
January 2012 in “Proteins” Electrostatic interactions mainly stabilize the binding of peptides to hair keratin.
13 citations
,
May 2016 in “International journal of biological macromolecules” Keratin's mechanical properties are influenced by hydrogen bonds and secondary structure, and can be improved with the SPD-2 peptide.
11 citations
,
January 2015 in “Skin pharmacology and physiology” Eating collagen peptides may help with skin and hair growth.
11 citations
,
September 2012 in “The journal of investigative dermatology/Journal of investigative dermatology” A mutation in the KRT71 gene causes a hair disorder by disrupting hair follicle structure and texture.
9 citations
,
February 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” The document concludes that the human keratin gene cluster is complex, with a need for updated naming to reflect over 50 functional genes important for hair and skin biology.
8 citations
,
January 2009 in “Transactions of the Materials Research Society of Japan” Water-soluble wool keratin can protect human hair from damage during treatments.
7 citations
,
November 2022 in “Communications biology” Keratin injections can promote hair growth by affecting hair-forming cells and tissue development.
7 citations
,
July 2008 in “Experimental Dermatology” The study concluded that a protein important for hair strength is regulated by certain molecular processes and is affected by growth phases.
7 citations
,
February 1998 in “Polymer journal” Keratin structure in hair is stable at pH 5-6 but disrupts between pH 6-7.
3 citations
,
June 2017 in “Journal of Biomaterials Applications” Keratin extract from human hair was found to promote hair growth in mice.
May 2026 in “Frontiers in Pharmacology” Dendrobium officinale polysaccharide helps hair regrowth in hair loss mice by affecting local steroid metabolism and hair follicle responses.
January 2013 in “Transactions of the Materials Research Society of Japan” CMADK reduces hair damage from bleaching and permanent waving.
9 citations
,
April 2019 in “International journal of molecular sciences” Human hair grows better in a special gel that mimics skin.
28 citations
,
April 1996 in “Cell biology international” Changes in keratin affect skin health and can lead to skin disorders like blistering diseases and psoriasis.
6 citations
,
October 2016 Understanding how keratin structures in hair are arranged and interact is key for creating methods to extract and purify them.
Keratin hydrogels from human hair show promise for tissue engineering and regenerative medicine.
53 citations
,
September 1999 in “The journal of cell biology/The Journal of cell biology” K16 can partially replace K14 but causes hair loss and skin issues.