January 2026 in “Health Food & Biotechnology” A hair serum with 3% keratin from chicken feathers made hair smoother, shinier, and more elastic.
34 citations
,
April 2012 in “Molecular Biology Reports” The enzyme from Bacillus cereus can be used in detergents and leather processing.
28 citations
,
December 2011 in “Biocatalysis and biotransformation” PDI helps restore over-bleached hair's strength and structure by attaching special peptides.
26 citations
,
May 2021 in “International Journal of Molecular Sciences” Cheonggukjang may help prevent and manage various diseases and improve overall health, but its odor and safety concerns need addressing.
January 2007 in “Sen'i Gakkaishi” Mf-rich hair degrades more than Ma-rich hair, especially with Proteinase K.