1.Antioxidant & Anti-Aging Synergy: Defends skin from external oxidative stress while promoting internal cellular renewal. 2.168-Hour Antioxidant Effect Tested: Clinically tested to provide antioxidant protection for up to 168 hours, helping defend skin from oxidative stress while remaining gentle enough for sensitive skin. 3. Dual Formula Synergy with 1% NAD + 0.05% Astaxanthin Astaxanthin forms an immediate antioxidant shield while NAD helps restore cellular energy, working together to defend against external stress and support visible anti-aging care.