La Roche-Posay Anthelios UVMune 400 Invisible Fluid SPF50+ is an advanced sunscreen that provides ultimate protection against UVB and ultra-long UVA rays. This non-perfumed formula features a lightweight, invisible texture suitable for all skin types, including sensitive skin. The product contains the innovative Mexoryl 400 filter technology for enhanced protection against the most damaging UV rays. It offers very high broad-spectrum protection (SPF50+) and includes antioxidant properties. The formula is ultra-resistant to water, sweat and sand. The lightweight fluid texture absorbs quickly without leaving a white cast or greasy residue. For optimal protection, apply generously before sun exposure and reapply frequently, especially after swimming or sweating.