Brand from South Korea: MISSHA. Benefits:An intensive anti-aging ampoule helps improve wrinkle concerns and create a plump and youthful look.Formulated with Extreme Biome™ that contains Bifida Ferment Lysate and various fermented ingredients to keep mature skin hydrated and prevent dehydration.Enriched with pure Retinol to boost skin elasticity and strengthen skin barrier for preventing skin from breakdown.The double-layer ampoule offers powerful anti-aging effects to skin by activating it before application with the unique design of the bottle.Skin irritation test completed.How to use:1. Turn the lower part of the bottle to activate the Retinol Core Ampoule layer.2. Gently shake the bottle to make sure the two layers are mixed well.3. Apply an appropriate amount onto the skin and gently massage for better absorption.