How many times have you done a sheet mask and thought, There, that looks better, only to be disappointed a few hours later when your glow is gone? Aside from the feel-good factor (obvs), we’ve come to expect both instant visible results (hydration! brightening! smaller pores!) and long-lasting benefits like plumping, smoothing, and softening. Unfortunately, not all offerings live up to the short- or long-term hype, which is why we’re...