Soak the bottle in warm water with dish soap for 20 to 30 minutes
Peel off the label slowly from one corner
Use a plastic scraper or credit card to lift stubborn edges
Apply rubbing alcohol, vinegar, or label remover to dissolve adhesive
Scrub off leftover glue with a sponge or cloth
Use baking soda and oil paste for sticky residue
Wash the bottle with hot soapy water
Dry the bottle completely before reuse