21 citations,
October 2011 in “PloS one” Certain molecules in hair change with age and could be used for cosmetic treatments.
20 citations,
January 2015 in “Current problems in dermatology” Hair gets thinner, grayer, and changes texture with age due to genetics, environment, and cellular changes, affecting the growth cycle.
42 citations,
June 2019 in “Aging” 3,4,5-tri-O-caffeoylquinic acid promotes hair growth by activating the β-catenin pathway.
13 citations,
March 2020 in “Frontiers in cell and developmental biology” A substance called TCQA could potentially darken hair by activating certain genes and increasing melanin.
2 citations,
June 2022 in “Cells” 3D cell cultures are better for testing hair growth treatments than 2D cultures.