Vitamin C serum, which is considered one of the important antioxidants necessary for the skin, enhances collagen synthesis and improves skin firmness, unifies skin tone and reduces age spots by reducing melanin production, targets nourishing the skin while rejuvenating it and helps brighten it and reduce fine lines. How to use: it can be applied in the day and night routine, by placing 1-2 drops on your face as a thin layer, do not neglect to use sunscreen in your daily routine while using the serum.