Issey Miyake Fusion d'Issey Eau de Toilette 100ml Spray. RRP: £83.00. Fusion d'Issey is not just about contrasts; it's also about depth and tension. In essence, Fusion d'Issey is a celebration of contrasts—a fragrance that harmoniously blends sharpness with sweetness, coolness with warmth, and simplicity with complexity.