La Roche-Posay Anthelios UVMune 400 is an advanced sunscreen from La Roche-Posay’s Anthelios line, designed to provide high protection against both UVA and UVB rays. This sunscreen stands out due to its innovative UVMune 400 technology, which is formulated to offer very high broad-spectrum protection against UVA, UVB, and long UVAradiation.