Egg whites have skin firming properties (beat an egg white till it's frothy and add to it 1/2 a tsp of honey. Wash-off after half an hour)
Clay any Multani Mitti (fullers earth) mix it with enuff rosewater to form a paste..apply it and leave it on till it dries.
Any cream with 'collagen' is great.. Vitamin E also helps.
Always massage u're face in upward strokes.. and do some facial exercises too. Splash cold water on u're face (or chilled rosewater) several times a day..this helps tighten pores as well.