Here’s what you’ll learn when you read this story:Though it has not yet been used much in skincare, pterostilbene could soon generate buzz as the next anti-aging superstar. Research subjects who applied an experimental pterostilbene emulsion to one half of their faces observed noticeable reductions in signs of aging. In addition to skin that looks and feels younger, pterostilbene is anti-inflammatory and protects against (and reverses) sun damage. Related Story Scientists Found a Surprising Way To Target Deadly TumorsThat ingredient is pterostilbene (not to be confused with polystyrene). After 28 days, skin treated with the pterostilbene emulsion was firmer and more elastic, with smaller visible pores and fewer (or, at least, less obvious) wrinkles.