The 41-year-old actress shared a snapshot on Instagram Saturday, showing off her fresh face as she guzzled down a bottle of water.
"Full of healing power. #iLoveWater #WorldWaterday @drop4drop," she wrote along with the candid photo.
Judging by her glowing skin, we see why the Goop founder was recently named the new brand ambassador of natural luxury skincare line, Restorsea. The products have a secret ingredient -- a natural enzyme released by salmon at birth that helps skin with the aging process.
"I was ecstatic when I learned that Restorsea is natural," the mother-of-two said. "Over time, I saw a real difference -- a kind of freshness and dewiness."
Gwyneth just revealed her skincare secret, so how do you think she looks without makeup? Tell toofab in the comment section below, and click "Launch Gallery" above to see more bare-faced beauties!