Removing product labels for scanning / hot sauce, soy sauce, et al

If I were getting paid, the clients of course would PROVIDE labels or scans. However…

Anyone got tips for getting labels off intact from items like hot sauce and soy sauce bottles? The hot sauce ones come off fairly easily if you fill the empty bottle with boiling water, but the soy sauce ones are a tougher nut to crack.

Kikkoman’s label says they’ve been in business 300 years. In that time they’ve REALLY learned how to glue a label onto a bottle.

My first approach to something like this would be to try a google search first. See if I can find something high res enough. And for 2.50 might be worth it to just buy the sticker and scan it.

As for ideas: