Pepti-Lift PEPTI-lift delivers the appearance of lifting and tightening for mature skin. Peptides help act as chemical messages to the cadherins (pronounced cad-here-ins) which strengthen them. We are familiar with the fibrous desmosomes that hold the cells together; think of cadherins as the hands or fingers to the desmosomes. Last Update: May 11, 2019 October 27, 2018 2371Technical DocumentsRelated Knowledge Base Posts -Pepti-HyaluronicPepti-ToneLactic 5% + Collagen