Shiseido Ultimate Sun Protection Lotion Wetforce Turns Invisible SPF 50+ 3.3oz / 100ml Ultimate Sun Protection Lotion WetForce SPF 50+ provides powerful sun protection in a comfortable lotion formula that turns invisible on any skin tone. It features WetForce technology, which provides skin with a protective veil that becomes stronger as it comes into contact with water or perspiration. Ideal for outdoor activities and sports, it provides a high level of sun protection, yet is comfortable and gentle on the skin. It’s suitable for use on both the face and body. To activate WetForce technology, expose the area where lotion has been applied to water for 15 minutes, or expose to perspiration for 30 minutes.