WHAT IS VITAMIN C? It's a renowned brightening, anti-aging and all-around skin-boosting active. In this Vitamin C serum, it targets dark spot correction in the deepest layer of skin's surface to help reduce the look of skin discolorations. And with its anti-oxidant properties, it helps prevent the appearance of new spots and skin discolorations. Just 1 bottle of Rapid Brightening Treatment (50ml) contains as much Vitamin C as in 55 golden oranges. Benefits New clarity. Dark spots/acne marks, pores look reduced. Ideal for Brightening, clarity and translucency; Dark spots, including acne marks; Uneven skintone Formula Facts Gentle, skin-friendly formula Free of hydroquinone Oil-free Dermatologist-tested Ophthalmologist-tested Won't cause breakouts, won't clog pores (non-acnegenic) How To Use For a brighter, more even-toned look, apply on clean skin before your moisturizer, AM and PM. Avoid eye area. Since UV exposure can lead to the appearance of spots/skin discolorations, it is essential to follow Perfectionist Pro Rapid Brightening Treatment with UV protection.