Featuring a day and night serum, Shiseidos Bio-Performance Skin Filler delivers intense hydration to the skin to help plump the look of fine lines. The day and night duo harnesses technology inspired by aesthetic procedures to promote firmer-looking skin with a supple, bouncy feel. n The formula harnesses MolecuShift technology, inspired by 30 years of research in hyaluronic acid, to lock in moisture and deliver visible plumping effects. When in need of a top-up, your serum duo is compatible with sustainable refills.