“It is really lightweight...you can feel it, but not feel it at the same time.” If hydration is your number one skin concern like @dakotafanning, you’ll understand why she is a fan of The Serum. The Serum’s key ingredient–Kelplex–aids in activating skin’s regenerative powers for a radiantly youthful look. Its luxuriously silky texture is instantly absorbed to awaken your skin’s inner energy and vibrancy, both day and night.