If you are completely new to this space, the beginner's guide to peptides is a useful starting point before diving into the comparisons below
It is produced naturally by the liver and involved in many processes in the body, mainly detoxification but also plays a role in tissue building and repair, making chemicals and proteins, and for immune system support
Counter the initial dryness that retinol creates by adding ultra-nourishing ceramides to your routine
These are, quite literally, the keys to your cellular city
GHK-Cu is a naturally occurring copper-binding peptide studied for its role in collagen synthesis, tissue regeneration, and gene expression regulation
The dermis, your skin's structural layer, thins noticeably during this period