-Beneficial qualities A delicate serum, concentrated. Chestnut, ruscus, red grape and blueberry extracts help alleviate reactivity in sensitive skin, for maximum comfort. Soy extract regenerates the skin by stimulating collagen synthesis and encouraging firmness. It helps smooth away wrinkles and lines. Mukul myrrh bark helps plump the skin. -Use Apply the serum to the face in the morning and massage until completely absorbed.