City Guard Anti-Pollution Day Cream SPF 50 is a day cream with stabilized Vitamin C and 100% natural sunscreen filters to repair and protect against 5 factors that cause daily cell damage and lead to premature aging such as: blue light emitted by electronic devices, air pollution, infrared radiation (IR) and UVA / UVB radiation. How to Use Apply a sufficient amount daily to clean skin, on the face, neck and décolleté. The recommended amount is 2mg / cm2, approximately 1/3 teaspoon for the face and neck, in order to achieve the protection corresponding to the sun protection index. Repeat the process before sun exposure, after sweating, swimming or wiping. For visible results on pigmentation and signs of aging, we recommend combined use with Brightening Vit-C Serum and Brightening Vit-C Gel Cream.