Visibly brighten and improve skin radiance in just one week with Neutrogena Rapid Tone Repair 20% Vitamin C Facial Serum. This brightening serum from a dermatologist recommended skincare brand visibly reduces the look of dark spots for visibly brighter, more even skin tone. In one week, capsules brighten and improve skin radiance and within four weeks, helps reduce the look of dark spots for a more even complexion. Designed to preserve the freshness and potency of its contents, each serum capsule contains 20% L-Ascorbic Acid, vitamin C in its pure form, as a powerhouse antioxidant that fights external skin-aging factors while brightening and evening skin tone. The seaweed-derived capsules are biodegradable in water and the serum is paraben-, preservative-, alcohol-, oil-, fragrance-, and dye-free. The vitamin C brightening serum capsules are also non-comedogenic, which means they won't clog pores.