ISDIN Flavo-C Forte Serum is a powerhouse in skincare. With 15% pure vitamin C, it revitalizes, brightens, and reduces signs of fatigue in your skin. This innovative serum boosts collagen production, firms skin, and diminishes wrinkles in just 10 days. It's your daily defense against oxidative stress and pollution. Its unique powder format keeps the vitamin C fresh until use, creating a potent and transformative skincare experience.