The MIZON Phyto Plump Collagen Serum is a facial serum from MIZON designed for mature skin seeking enhanced firmness. This lightweight serum absorbs quickly and delivers concentrated active ingredients to the skin. Plant-based collagen (Tremella mushroom) and a brown algae complex help tighten the skin and provide deep hydration. The formula is vegan and cruelty-free. MIZON is a Korean skincare brand (manufactured in South Korea).