Founded in 2019 by former COSRX R&D specialists, Isntree masters plant-derived hydration with its “8D Hyaluronic Acid System” combining molecular weights from 5kDa to 2,000kDa for multi-layer moisture binding. All products are formulated at pH 5.0-5.5 to match skin’s acid mantle.
Koop is a Korean skincare and beauty brand dedicated to clean, effective, and fully transparent skincare. We believe skincare should be simple, science-backed, and free from unnecessary guesswork.
Email us at support@hellokoop.com
