Copper-oxide pillowcases can reduce wrinkles, promote younger-looking skin.

Copper-oxide fibers used in pillowcases might just revolutionize the old adage “Get your beauty sleep.” A new study says that just sleeping on the pillowcases may reduce wrinkles and improve skin appearance. Those sleeping on the pillowcases containing the copper oxide had significant reduction in the appearance of wrinkles, a significant reduction in the appearance of fine lines, and overall improvement of skin glow.”