Debrox Earwax Removal Aid Drops - 0.7ml 10 Packs.. Condition is New but expiration date is EXPIRED. Free Shipping with USPS First Class. The active ingredient is 6.5% Carbamide peroxide which has a shelf life of 100’s of years if stored properly (not in direct sunlight). An Amazon seller stated “unless it turns granular or gritty in texture it still works well but some users make the assumption that gel is out of date or defective. Also, storage at room temperature is good. I have approximately 450 .7ml vials. Stored in house always. I use them, my kids use them, and my family uses them. It does not include the bulb for removal of debris, ear drops, or water. No refunds or returns.