WASHINGTON (Reuters) - Restylane, a popular cosmetic treatment for temporarily plumping out wrinkles, actually makes the skin produce more collagen, the natural stuff that makes skin look young, researchers said on Monday.That means the product, which millions of people have had injected around their lips, cheeks and foreheads, has effects beyond even what its manufacturers claim, the team at the University of Michigan Health System reported.>>> Discuss This Story
