shu uemura new unlimited care tsuya serum foundation enhances the ultimate subtlety of a healthy glow on asian skin tones, creating a distinct glow known as ‘tsuya’ in japanese. the foundation keeps the skin look naturally glowy for 24 hours, the color stays true for 24 hours*, and the make-up does not get cakey for 24 hours.powered by a formula containing 5% niacinamide, tsuya foundation provides both instant and long-term skin improvement, offering intensive care properties that last even after makeup removal, leaving your skin in improved condition: after 28 days of application, bare skin appears brighter, retains moisture better and skin texture looks smoother even without makeup.with innovative gunjo blue pigments, it helps to enhance the reflection of red light, effectively minimizing the appearance of imperfections, create an even skin tone, and provide a radiant glow that enhances the natural beauty of the skin.