Taylor Swift's skin has become almost as iconic as her legendary songwriting - soft, glowing and seemingly effortless. And thanks to a recent fan discovery, we may finally know the secret behind her red carpet glow. A screenshot from the trailer for the Era's Tour docuseries, shared by @taylorswiftstyled on Instagram, revealed some of Swift's go-to bath products. Fans immediately spotted the Ouai St. Barts Body Wash in her shower - and it's on Amazon! See it! Get the Ouai St.