After trying several methods to remove the label glue from the bottles, I finally found the winner.
How to Easily Remove Labels From Glass Jars with Natural Ingredients
How to Remove Label Glue From Glass Easily and Naturally
Catalogare navetta di fronte a en by af glas Inalare bolla Già
How to Remove Label Glue From Glass Easily and Naturally
How to remove glue from glass: An easy guide.
How to Remove Sticky Label from Glass - Birdz of a Feather
How To Remove Stickers And Sticky Labels: 11 Easy Methods
5 Ways to Remove a Jar Label - wikiHow
How to Remove Label Glue From Glass Easily and Naturally