MY BIG MASTIFF ALLWAYS HAS A DRY CRUSTY LOOKING NOSE! ?

HE HAS A RED BASED FACIAL FEATURES, PINK COLORED EYE SOCKETS EARS MOUTH AND JOWLS HES,APRCOT IN COLOR,AND HAS A VERY BULLDOG FACE,NOSE AND EYE FOLDS. I PUT ON VIT E CAPS,VASOLINE SUN PROTECTION SUNBLOCK AND ALL.SO HOWC CAN I RID THE DRY CAP AND MAKE IT SOFT AND MOIST AGAIN???? THANKS,GUYS