White Lotus Sunscreen Serum SPF 50 PA+++ protects against broad-spectrum UVA/UVB, IR (infrared), and Bluelight. Your ultimate protection from the harmful rays of the sun as well as any Bluelight or High Energy Visible (HEV) light emitted from electronic devices such as smartphones, laptops, and TVs. Bluelight, to which we are constantly exposed, is known to contribute to fine lines, wrinkles, and skin discolouration.