Liquid propolis (water-soluble) Ingredient:20-30% purified propolis Usage: Drop into bread, milk, coffee, and ets. 2-3 times a day, 5-20 drops each time. Storage: keep in a cool and dark place Expiry: 24 months Description & Specification Item Liquid propolis Purity % ≥20 and ≥30 Moisture % ≤15 Ester value% ≥35 For more detailed product literature, please visit our website.