Article Correctness Is Author's Responsibility: Smoothing wrinkles in mice — without needles

In the quest for a more youthful appearance, many people slather ointments on their skin or undergo injections of dermal fillers. But topical treatments often aren't very effective because they don't penetrate deep within the skin, whereas the results from injections typically last for only a few months and can be painful. Now, researchers have developed a needle-free 'exosome' treatment that reduces wrinkles in UV-exposed mice.