Brand New! Hourglass Equilibrium Biometrics Skin Active Serum Mini- .10 oz $24 This revolutionary nighttime re-balancing treatment contains a plant-derived bio-identical version of Phosphatidylglycerol, the ingredient found in high concentrations in amniotic fluid, that normalizes skin cell growth and helps defend against the visible signs of aging. Microscopic oil droplets deliver the ingredients into the skin at the most optimal levels for radiant skin.