New, Unopened Bubble Essence VC200 45ml 'Bubble Essence VC200' provides firmness, radiance, and clarity to aging skin. This penetrating foam serum was created to deliver a truly satisfying skincare experience, formulated with carefully selected beauty ingredients specifically for aging skin, and enhanced by six unique formulations to maximize their effectiveness. 【How to Use】 After washing your face, take an appropriate amount (about 2 pumps) into your palm and spread it over your entire face. After about 1 minute, gently press the remaining foam into your skin to help it absorb. (After using the serum, finish with a cream or other skincare product.)