高考英语《流行话题 语境识词4500》Unit 91　The ABC's of Vitamin Enhanced Skin Care素材

高考英语《流行话题 语境识词 4500》Unit 91 The ABC's of Vitamin Enhanced Skin Care 素材Unit 91 The ABC's of Vitamin Enhanced Skin Care Most of us know that vitamins can work wonders on o ur 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, while making sure your s kin 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 products 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 products because of their ability to assist in retaining moisture. B-3 is a relatively ne w ingredient on the marketplace but has demonstrated great promise, offering a milder alternative to acidic elements, which som e feel is too harsh for their complexions. B-5 is a more common skin-care additive, and is widely recognized for its (along with Vitamin E) moisturizing ability. It's 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-care's hot sellers for the past several years due to its pr oven effectiveness as an antioxidant. Antioxidants are a critical natural defense against "free radical...