Boots Vitamin C Brightening Sheer Sunscreen is a lightweight sunscreen that offers broad-spectrum protection from UVA and UVB rays with SPF50+ PA++++. It contains vitamin C and other antioxidants that help to brighten and even out the skin tone while protecting against environmental stressors. The sheer formula blends seamlessly into the skin and leaves a dewy, radiant finish without leaving a white cast. The 30ml tube is perfect for on-the-go use and can be worn alone or as a base for makeup.