High Definition Protection SPF 30 Clinically proven HD-SHIELDTM is a potent UVA/ UVB absorbing complex for exceptional sun protection for all skin types. HYDRAPEARL HYBRIDTM releases vitamins and antioxidants to combat wrinkles, discolorations, and loss of firmness from UV damage. The non-greasy formula creates no shine and gives skin a smooth, flawless look, even in harsh flash photography lighting. It makes an excellent makeup primer. As part of a regular skin protection regimen, consistent use of Guard Sunscreen will ensure skin retains its brightness and clarity, with fewer noticeable discolorations. Under makeup, it makes skin texture smoother and minimizes flaws.