NWT Paula's Choice Vitamin C+ Glutathione Clinical Serum With Ergothioneine + Gap Technology Travel size - 0.17 fl oz Brand New, never used. Only opened box to take pictures. From website: This clinical-level serum features highly stable 25% vitamin C to visibly improve uneven tone, radiance, elasticity & firmness without irritation. Potent 25% vitamin C targets stubborn discoloration & sun damage Glutathione minimizes irritation & boosts skin’s antioxidant supply GAP technology reduces oxidative stress & targets discoloration Lightly hydrating serum for all skin types