This sunscreen is formulated with 4 very effective UV-filters, namely, Uvinul T 150, Avobenzone, Octocrylene and Titanium Dioxide to provide protection from UVA & UVB Boosted with Vitamin A, B3, B5, E and F that not only repairs skin after sun exposure, but also soothes, nourishes and hydrates skin Thoroughly tested by an independent lab and confirmed SPF of 50 was obtained; It is a Photostable & Acne safe sunscreen. Also, it does not leave any white cast on application Apply on cleansed face after all your serums and moisturisers. Apply generously & evenly on your face and neck. Apply sunscreen at least 15 minutes before sun exposure. For added protection, reapply in case of continued sun exposure, swimming, perspiring or towel drying.When to use: AM. Everyday. If you have any query pleas.