Principal Secret Reclaim Age Braker Eyefirmation Eye Serum (Retail Value = $42.00) This item is full size at .5 fl. oz. This Principal Secret Eyefirmation Eye Serum defines, re-firms, and contours the eye area. It also softens dark circles, lines, and bags under the eye. This uses tea and fruit extracts to hydrate while brightening the delicate skin.