epigenetics is the holy grail of medicine and skin care at the moment. In this blog post it is explained in an easy to understand way
https://www.whatisbiotechnology.org/index.php/science/summary/epigenetics/
https://www.whatisbiotechnology.org/index.php/science/summary/epigenetics/
WhatisBiotechnology.org
Epigentics studies affect of chemical tags linked to DNA
A leading educational and public engagement platform exploring the people, places and technologies that have enabled biotechnology to transform our healthcare and the world we live in today