... of the Plant Used Leaf Active Ingredients Oleuropein, Hydroxytyrosol Product Specification: 20%, 40%, 60%, 80% Oleuropein 5%, 10%, 20%, 40% Hydroxytyrosol Applications ... 60%, 90%, 95% 2. Olive Leaf Extract 20%, 40%, 60% Oleuropein or 5%, 10%, 20%, Hydroxytyrosol 3. Astaxanthin 4. Ivy Extract ...