Better-than-filter effects – in a bottle. Glass Skin Facial Serum features a blend of jojoba oil, niacinamide, and probiotics to strengthen the skin barrier, balance moisture levels, curb excess oiliness, and minimize the appearance of pores. Lightweight and fragrance-free, this formula soaks in immediately and delivers a superlative level of nourishment for skin that looks poreless and radiant with no greasy residue. Brand New.