NOxide Activating Skin SerumNOxide Activating Skin Serum Beauty on the Molecular level. Pneuma Nitric Oxide Skin Serum Providing Nitric Oxide for the skin helps with Help heal wounds and scars Improving the appearance of fine lines and wrinkles Overall tone, texture and clarity of the skin And softens the signs of aging. Loss of Nitric Oxide with aging leads to increased signs of aging including poor complexion, loss of barrier function, and increased appearance of fine lines