Another key ingredients of this product could be the Copper Tripeptide-1. It increases proliferation of the follicular cells and inhibit follicle death. Copper peptides increase blood circulation in your scalp as well, they are not only playing a significant role in regenerating new hair growth, but they can also make your existing hair look and feel thicker by increasing the follicle size. Copper Tripeptide-1 is one of the key factor needed to produce melanin. This is a compound that’s responsible for the color your hair, it helps to maintains hair color and provide a thicker and fuller appearance for your hair.