Shiseido's best-selling skin booster just got stronger with ImuGeneration Technology. Powered with anti-oxidant rich reishi mushroom and iris root extracts, to strengthen skin, restore firmness and defend against daily damage for skin that's 28% stronger in just 1 week. * Skin looks even smoother, firmer, more hydrated and resilient. *Tested on intentionally irritated skin. Inner skin defenses index (based on moisture retention rate and transepidermal water loss) improved by 28%, 1 week after application).