Citrus fruits contain abundant amounts of Vitamin C, also known as ascorbic acid, along with citric acid. These acids help slough off the top layer of skin without causing damage. Here are some ways to use them.  Squeeze some juice and dab it on your skin. Women have used straight lemon juice to lighten their skin for centuries, but you can use an orange, grapefruit or lime if you prefer.  Slice the fruit in half and squeeze the juice into a cup or bowl.  Using a cotton ball, dab it onto your dark spots.  Leave it on for 20 minutes, then rinse off.  Repeat once or twice a day. Make a lemon and honey face mask. Combine the juice of half a lemon with 2 teaspoons of honey.  Mix well, and apply to your face.  Leave it on for 30 minutes, then rinse well. Make a citrus and powdered milk scrub. Combine 1 teaspoon each of water, powdered milk and the juice of your favorite citrus fruit.  Mix into a soft paste and massage into your skin.  Rinse well. A powerful antioxidant, Vitamin E helps repair damaged cells and strengthen new ones.  You can use Vitamin E as a topical treatment alone, or boost its benefits by also eating foods high in Vitamin E.   Topical application: Massage pure Vitamin E oil directly onto your dark spots.   With daily application, your spots will fade.  Dietary sources: Add these foods to your diet to get even more Vitamin E power:  nuts (almonds, peanuts, pine nuts), sunflower seeds, wheat germ oil, and dried apricots. Papaya fruit contains the enzyme papain. Papain helps exfoliate the skin, making way for new skin cells to emerge.  Papaya also contains Vitamin C and Vitamin E, so it's a dark spot fading superstar. Papain is most concentrated while the papaya is still green, but you can use riper fruit as well.  Peel and remove the seeds from a papaya, and try one of the following treatments:  Slice a piece off of the papaya, and lay or hold it on the dark spots that you want to get rid of.  Hold it there for 20-30 minutes.  Repeat twice a day for best results. Make a papaya facial mask. Cut the...

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Write a summary of the previous text in Chinese:
用柑橘擦脸。 使用维他命E。 木瓜切片祛斑。 使用芦荟祛斑。 红葱祛斑。