Demi Moore’s beauty roster includes a Niod Copper Serum – but why does the actress love it so? Read how Demi incorporates it into her routine and what shoppers think of Demi’s go-to serum. Demi Moore’s beauty roster includes a Niod Copper Serum – but why does the actress love it so? Read how Demi incorporates it into her routine and what shoppers think of Demi’s go-to serum.