People are obsessed with the prestige skincare brand.
This superstar serum, which contains high levels of vitamin B3 to stimulate cell turnover, was a winner of the GH Beauty Lab’s anti-aging serums test for visible wrinkle softening, brightening and firming. “I could see plumpness in my skin the next day — I was shocked,” a tester said. “Almost immediate results on my fine lines,” another remarked. The lightweight liquid was the best of the serums tested by the GH Beauty Lab at reducing wrinkles by 5% after four weeks of use.