What it is: A weightless fluid serum for more radiant, glowy, flawless, even-toned skin that shines like a brilliant diamond. What it does: The serum allows your skin's unique beauty to arise from a stunning surface. Powered by the brand's Black Diamond Truffle Extract and SIRTIVITY-LP technology, the extraordinary serum helps fortify skin for a firmer feel and a visibly more perfected surface. The transcendently weightless, delightfully indulgent fluid absorbs quickly to refresh skin and help r