What it is: Shiseido's first skin care innovation that infuses skin with two types of hyaluronic acid for 24 hours of deep hydration.What it does: The essence infuses skin for 24 hours of deep hydration while targeting dark spots with vitamin C. It helps pores, blemishes and dullness become less visible.Research results:In a clinical test on 33 women over 4 weeks:- Pores, blemishes, and dullness became less visibleHow to use: Apply with Shiseido's 100% natural Japenes Facial cotton (sold separately) for additional exfoliation and absorption allowing for maximum benefits. Saturate the cotton wtih a quarter-sized amount of the essence. Smooth gently over skin. For an even more effective application, tap gently into skin with your fingers to increase activation. Can be used everyday.