Shiseido Synchro Skin Glow Luminizing Fluid Foundation SPF 20 Neutral # 4.Shiseido Synchro Skin Glow Luminizing Fluid Foundation, a hydrating foundation designed to provide a dewy, luminous finish while synchronizing with the skin's tone and moisture levels. Provides buildable coverage, antioxidant protection from Wild Thyme Extract, and helps maintain skin's optimal moisture.