Preferably use of  natural skincare  products that contain germinated grape seed extract - the molecules are so small that the oil gets absorbed straight into the skin making it moist and plump.
Eat plenty of  organic vegetables and organic fruit . Enough sleep helps in replenishing dead skin cells.

Take a really good multivitamin supplement or a supplement specifically for good skin,hair and nails! Or even better eat a very healthy diet that includes Omega 3 and Omega 6 found in Almonds, Walnuts, Sunflower Seeds, Grape Seeds, make sure you have plenty of Vitamin C - Broccoli, Citrus Fruit, Rosehips, Parsley,