December 2023 in “ACS Sustainable Chemistry & Engineering” Keratin can be successfully taken from human hair using a mix of choline chloride and ethanolamine.
January 2015 in “Seoul National University Open Repository (Seoul National University)” Polyunsaturated fatty acids, especially arachidonic acid and eicosapentaenoic acid, can promote hair growth.
2 citations
,
December 1994 in “International Journal of Cosmetic Science” Polymer complexation makes hyaluronic acid stick to hair better, enhancing its moisturizing effects.
40 citations
,
February 1994 in “Journal of Investigative Dermatology” 12 citations
,
September 2013 in “BMC Biophysics” Keratin filaments' elasticity is influenced by their terminal domains and surrounding medium.
46 citations
,
December 1998 in “Journal of Biological Chemistry” Keratin 19 forms less stable and shorter filaments than keratin 14, giving unique traits to certain skin cells.
January 2026 in “Molecules” A new perming method is less damaging to hair and works as well as traditional methods.
47 citations
,
June 1994 in “Experimental Cell Research” mHa2 and mHa3 keratins have different structures and roles in mouse hair and tongue tissues.
September 2010 in “대한화장품학회지(J. Soc. Cosmet. Scientists Korea)” The study developed a reliable method to measure active ingredients in hair nourisher products using HPLC.
3 citations
,
March 2010 in “International Journal of Cosmetic Science” Functionalized silicones improve hair appearance, combing, and manageability.
22 citations
,
June 2002 in “Journal of Medicinal Chemistry” Compounds 15, 20, and 25 are strong inhibitors of human steroid 5α-reductase type 2.
November 2025 in “PLoS ONE” Nucleic acids trigger chemokine production in skin cells, affecting skin inflammation.
55 citations
,
January 2013 in “International Journal of Cosmetic Science” African hair's keratin structure is influenced by its higher lipid content.
February 2025 in “International Journal of Cosmetic Science” A new amino acid derivative, ATS, improves hair texture and moisture, making it easier to straighten curly hair.
23 citations
,
June 2014 in “International Journal of Cosmetic Science” Glyoxylic acid is a safer alternative to formaldehyde for hair straightening and effectively changes hair structure.
11 citations
,
September 1996 in “Journal of applied polymer science” Potassium cyanide treatment changes hair's disulfide bonds, making it more elastic.
Hydrophobic modifications make human hair less affected by water.
191 citations
,
November 2007 in “Journal of Biological Chemistry” Very-long-chain acyl-CoA synthetases and fatty acid transport proteins play key roles in fatty acid metabolism and lipid processing in different tissues.
45 citations
,
February 2002 in “International Journal of Cosmetic Science” Ceramide helps protect African–American hair from breakage.
186 citations
,
July 1998 in “Journal of Cutaneous Medicine and Surgery” Shorter CAG repeats may cause hair and skin issues, while longer ones may link to acne.
11 citations
,
January 2006 in “Journal of the American Leather Chemists Association” Oxidizing agents break down keratin in wool and hair, causing swelling and increased solubility.
5 citations
,
February 2014 in “Journal of chemical ecology” Eastern Red Bat hair contains various glycerophospholipids, mainly phosphatidylcholine.
10 citations
,
October 2016 in “Journal of Biomolecular NMR” Solid-state NMR can effectively study keratin structure and treatment effects in fur.
12 citations
,
December 2011 in “Journal of Dermatological Science” The C-terminal tail of AHF/trichohyalin is essential for organizing keratin filaments in keratinocytes.
12 citations
,
January 1934 in “Proceedings of the Royal Society of London Series B Containing Papers of a Biological Character” Stretched hair has a similar structure to natural silk, showing hair's elasticity involves reversible changes within its molecules.
51 citations
,
January 2007 in “The journal of investigative dermatology/Journal of investigative dermatology” Scientists discovered a unique hair protein, KAP24.1, with a special structure, found only in the upper part of hair cuticles.
December 2024 in “Jurnal Insan Farmasi Indonesia” Chloroform extract from onchidiid snail promotes hair growth in rats.
December 2022 in “Journal of The European Academy of Dermatology and Venereology”