Sweat, water, heat, and moisture in the air strengthen the UV blocking film. "Surprisingly smooth milk." 50% skin care ingredients. Beauty up effect, transparent beautiful skin finish. The mask is sweat resistant, rub-resistant, super waterproof, and can be removed with soap. * "Strongest" means SPF50+, PA++++ and waterproof effect in ANESSA *means SPF50+, PA++++ and waterproof effect in ANESSA