Used 5-7x just a few small pumps. Practically full. DARK SPOT CORRECTOR: Our brightening tranexamic acid and niacinamide serum is designed to gently brighten the complexion, helping diminish discoloration and improve uneven skin tone. In your darkest days, turn to Dark Spot Corrector! FOR ALL SKIN TYPES: Designed to help reduce the appearance of dark spots while aiding in strengthening the skin barrier function, our Dark Spot Corrector is gentle yet effective enough for all skin types, even mature skin. GENTLE, BRIGHTENING INGREDIENTS: This clean formula is packed with nourishing botanical-based and clean, lab-made ingredients like tranexamic acid, squalane, aloe, apple fruit extract, niacinamide, gallic acid, and daisy flower extract. SUGGESTED USE: For best results, apply after cleansing and toning. Allow the serum to fully absorb before moving on to other serums, moisturizers, and sunscreen. Use both morning and night. You can also apply it to the neck