Whether you’re looking to smooth fine lines , boost hydration , or brighten dull skin, a great anti-aging serum can be your skincare BFF. The term ‘anti-aging’ is a bit of a misnomer – of course, no skincare product is going to stop you from actually aging. What you’re really looking for in an ‘anti-aging’ serum is a formula that’s anti-wrinkle, anti-fine line, and anti-dark spot.