Photostable. Very water-resistant XL-PROTECT complex for very high UVA/UVB protection, broad spectrum and photostable. Optimal protection SPF 50+ reinforced against UVA (stricter level than the European recommendation on sunscreen products) thanks to a filtering system with Mexoryl® XL, combined with La Roche-Posay thermal water, soothing and antioxidant. ANTHELIOS sun protection products are enriched with La Roche-Posay thermal spring water. This unique water, particularly effective against skin damage that can be induced by UVA-UVB rays, has soothing and antioxidant properties.