高考英语词汇积累系列：流行话题阅读语境识词4500 UNIT 91　THE ABC’S OF VITAMIN ENHANCED SKIN CARE WORD版.doc

1、Unit 91The ABCs of Vitamin Enhanced Skin CareMost of us know that vitamins can work wonders on our skin from the inside. However, many people have yet to realize the benefits of using vitamins on the outside. Below is a simple guide to aid you through the daunting maze of vitamin-enriched products,

2、while making sure your skin get its recommended daily allowance of beauty.VITAMIN A: helps with fine lines and wrinkles. As some have learned the hard way, attempting to hide fine lines and wrinkles behind layers of make up is a losing battle. Better to improve the condition of your skin with produc

3、ts containing retinoids - a class of Vitamin-A derivatives. However, due to the lower levels of retinoids in some consumer products, it may take a bit longer to see the desired result.VITAMIN B: A healthy glow, moisture retention. Vitamins B-3 and B-5 have become popular additions to skin-care produ

4、cts because of their ability to assist in retaining moisture. B-3 is a relatively new ingredient on the marketplace but has demonstrated great promise, offering a milder alternative to acidic elements, which some feel is too harsh for their complexions. B-5 is a more common skin-care additive, and i

5、s widely recognized for its (along with Vitamin E) moisturizing ability. Its also good for those with sensitive skin, as some creams made with Vitamin-E have been known to cause irritation.VITAMIN C: Repairs sun damage. Vitamin C has been one of skin-cares hot sellers for the past several years due

6、to its proven effectiveness as an antioxidant. Antioxidants are a critical natural defense against free radicals, unstable molecules that age the skin as a result of pollution, smoking and sun exposure. Vitamin C can protect the skin from UV damage caused by prolonged sun exposure by reducing the am

7、ount of free radical formation. However ,while it can help safeguard against skin damage and reduce discoloration, it should be used in conjunction with ,not in place of, a good sunscreen.VITAMIN E: Repairs dry, rough skin. Vitamin-E is another powerful antioxidant that is commonly used in lotions a

8、nd creams for its moisturizing ability. Though some of the miraculous healing claims of Vitamin-E supporters have been exaggerated over the years, it is still widely recognized for its proven ability to help retain moisture in the skin.VITAMIN K: Repairs dark, under-eye circles. Dark circles under y

9、ou eyes can make you look old beyond your years. And while getting a good nights sleep is always recommended, topical Vitamin-K is a good additional defense against discoloration under the eyes. Often used as a treatment for spider veins, Vitamin K enters through the pores all the ways to the damage

10、d capillary or artery and helps to clot the blood, thus stopping any seepage - often the cause of dark circles - and allowing the tissue to heal itself. In addition to K, Vitamin-C is also known for its ability to diminish dark circles, and using a product (or products) containing both vitamins is a good bet.