Exponent Beauty is a new brand billing itself as source of self-activated, fresh clinical skincare. The brand says that unlike traditional water-based formulas that start degrading right after they are manufactured, its serums maintain their efficacy. A patented self-activator system dispenses a precise dose of active powder and  a“Quadruple Hyaluronic Acid Hydrator” to create a freshly-whipped serum with a light gel-cream texture. Conceived by Liz Whitman, a former president and CMO of The R...