This serum, derived from collagen, enhances skin clarity. Brand: LISSAGE Product Name: W Clear Effector Contents: 40ml main bottle + refill Made in Japan How to use: Use after toner Brightening serum Set for 12,100 yen / 11,550 yen (tax included) New, unused, and unopened. Purchased in mid-September of this year at a drugstore in Tokyo.