Loreal paris introduces the new youth code serum 10 times more concentrated in the patented pro genr technology than the youth code day cream an instant boost of youthfulness skin looks younger and more luminous re discover satin soft smoother more youthful looking skin the luxurious texture instantly absorbs into the skin and your skin looks illuminated and radiant to be applied daily under your day and or night creams how to use apply all over the face morning and night befor