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Try a glow-inducing mask. Spread an egg white all over clean skin, let it dry, then rinse. Skin will be tighter, smoother and less oily.
For a lasting flush, rub on a cream blush (or powder blush if you're prone to oiliness) in a color that's color that's close to the shade your complexion gets when you work out. Dab a little of that color on lips, then smile - there's a lot of truth to that "inner beauty" stuff.