?La Roche Posay Anthelios UVMUNE 400 Hydrating Cream offers SPF50 protection with exclusive MEXORYL400 filter technology, helping to defend against UVA, UVB and Ultra Long UVA rays*. The formula is water, sweat, and sand resistant for long-lasting, ultra-high protection. Designed with comfort in mind, the cream hydrates skin without feeling greasy. Fragrance-free and with a gentle, anti-eye-stinging formula, the SPF showcases the best of the brands skincare technology, tested for efficacy and mildness. [380-400nm] = Long-UVA/ [380-400nm] =end of the spectrum that we call ultra-long-UVA. Ideal for normal to dry skin types.