Our broadest-spectrum photoaging protection, Lancaster Sun Perfect Unifying Serum SPF50 works to reverse visible signs of aging to reveal a luminous and younger-looking complexion. Protecting your skin from UVB and UVA rays, visible light, and infrared rays, the Full Light TechnologyTM and Sun Repair System shield your skin from 100% of the sun spectrum and help repair sun-induced damage. With the added benefits of niacinamide and vitamin C, this ultra-light, and moisturizing serum also targets dark spots and wrinkles. No sunscreen product can provide full protection against sun’s rays. Over-exposure to the sun is a serious health threat.