45 how to remove sticky labels off plastic containers 4. Soak for 30 minutes 5. Pull label or scrape the label off. 6. Use a green ruff sponge, old plastic credit card, or steel wool if any areas are stubborn. How to Easily Remove Sticky Labels From Glass Jars Once combined, rub the oil and soda mixture onto the sticky label and then use a dish rag or a scrubbing brush to rub the label clean.