We’ve lovingly formulated Boots vitamin C brightening sheer sunscreen SPF50+ PA++++ with 2x vitamin C and YUZU extract. Helps nourish and reveal glowing, healthy-looking skin. Skin looks noticeably radiant and bright within 7 days.* This product provides UVA/UVB protection, UV ray is the root cause of dull skin. Paraben-free. Suitable for all skin types. Here’s how to use: Apply on face & neck 15 minutes before sun exposure. Reapply frequently using sufficient amount to maintain protection, especially after perspiring, swimming or toweling. For better result, we recommend using with other Boots vitamin C brightening products.