Protect X-Trem Invisible Sun Stick SPF50+ from A-Derma. This invisible sun stick protects fragile localized areas of the skin (nose, ears, forehead, scars, tattoos, etc.) in the most extreme situations of daily life. Thanks to its patented solar innovation* (Btrattolide® derived from avealba® seedling oil), the sun stick strengthens the skin barrier **** and helps preserve cellular capital. This extra water resistant product is effective for up to 2 hours, unaffected by intense physical activity or sweat. Easy to apply **, convenient to carry and transparent from the moment of application ***, it can be used on the face and body of the whole family. All our filters have been tested by independent laboratories, which have proven that our A-Derma protection filters have no impact on organisms present in the marine environment, especially corals. • Protect: the skin thanks to its broad spectrum protection (short and long wave UVA and UVB rays), photostability and water resistance. Resistant to swimming (up to 2 hours) and sweat, the pole lasts even during the most intense physical activity • Reinforcements: the effect of the skin's natural barrier | | • Defends: cellular capital against UVA rays thanks to Barriesteride® with antioxidant properties that improve cellular detoxification. Vegan information: no sourced ingredients animale.