No7 Protect & Perfect Intense Advanced Serum - 1.6 oz This item comes new, in its original box, and has never been used or opened before. This is a 1.69 oz tube of No.7 Protect & Perfect Intense Advanced Serum. This serum can be applied to your face and neck twice daily after cleansing your skin. It is clinically proven to visibly reduce lines and wrinkles.