75 citations,
March 2014 in “Journal of Investigative Dermatology” Aging mice have slower hair regeneration due to changes in signal balance, but the environment, not stem cell loss, controls this, suggesting treatments could focus on environmental factors.
8 citations,
January 2017 in “Stem Cells International” A protein called sFRP4 from skin cells stops the development of pigment-producing cells in hair.
7 citations,
January 2019 in “PeerJ” A protein called sFRP4 can slow down hair regrowth.
sFRP4 partially inhibits hair regeneration, but the study needs clearer data analysis and better explanation of the process.
A protein called sFRP4 can partly inhibit hair growth.