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...
