The Dynamic Hydra-Balancing & Firming Pullulan Night Moisturiser works to boost radiance and refresh the complexion overnight. It helps counteract the signs of skin ageing, such as wrinkles caused by dryness and dark under-eye circles.. The Science. The formula is based on a combination of nourishing core active ingredients that work to penetrate the skin..Hyaluronic Acid helps brighten the eye area and improves the appearance of fine lines and wrinkles..Forming a sheer film that helps temporarily improve skin's texture and appearance, Pullulan aims to instantly provide a skin-tightening effect as it adheres to the skin. With regular use, the cream helps even out skin tone for a visibly vitalised and rejuvenated complexion and eye region.