Reusing a beautiful glass jar sounds simple until the label comes off and leaves half the adhesive behind.

The paper may peel away perfectly.

Then you touch the jar and discover a sticky patch that seems determined to stay forever.

You wash it.

Still sticky.

You scrub it.

Now the glue has rolled into little gummy balls.

You soak it.

Some comes off, but a cloudy film remains.

And if you start attacking the jar with a knife or rough scrubber, you can easily scratch something you were trying to save.

Fortunately, label residue is usually much easier to remove once you understand what kind of adhesive you are dealing with.

Some glues soften with hot water.

Some respond better to oil.

Others need alcohol or a dedicated adhesive remover.

And sometimes the best method is a combination: remove the paper first, soften the glue, scrape gently, then wash away the oily residue afterward.

Here is how to remove sticky label residue from glass jars without turning a simple reuse project into an hour of frustrated scrubbing.

1. Start by Peeling Away as Much of the Label as Possible

Do not immediately soak everything.

First see what the label will do.

Lift one corner.

Pull slowly.

Some modern labels come away almost completely in one piece.

If you rush, the paper may tear and leave a thin layer behind.

A slow pull can sometimes save you most of the work.

2. Peel the Label Back Against Itself

Instead of pulling the label straight outward, fold it back low against the jar as you peel.

This can reduce tearing.

Work slowly.

If the label begins separating from its paper layer, stop and change your approach.

3. Warm the Label First

Warmth can soften some adhesives.

Run warm water over the outside of the jar.

Or allow the jar to sit in warm water for a few minutes.

The label may become easier to peel.

Avoid sudden extreme temperature changes with glass.

Do not move a refrigerator-cold jar directly into boiling water.

4. Remove the Lid Before Soaking

If the lid is metal, soaking it unnecessarily can encourage rust.

Remove it.

Clean it separately.

This also allows water to move freely around the jar.

5. Empty the Jar Completely

Before cleaning the label, remove all remaining food.

Wash away anything sticky inside.

Jam.

Sauce.

Oil.

Pickles.

Peanut butter.

Whatever was stored there.

Working with a clean empty jar makes the adhesive-removal process much less messy.

6. Wash the Jar Normally First

Dish soap and warm water may already remove part of the residue.

Wash the jar.

Rinse it.

Then feel the label area after it dries slightly.

If the stickiness is gone, you are finished.

Do not use a stronger treatment when ordinary soap works.

7. Soak Paper Labels in Warm Soapy Water

Traditional paper labels often respond beautifully to soaking.

Fill a basin or container with warm water.

Add a little dish soap.

Place the jar in the water so the label is submerged.

Let it sit.

The paper may loosen and begin sliding away.

8. Do Not Use Excessive Dish Soap

A little is enough.

You are softening paper and glue, not creating a bubble bath.

Too much detergent only creates more rinsing later.

9. Give the Water Time to Work

Some labels release in five minutes.

Others may need longer.

Test the edge.

If the paper still feels firmly attached, let it soak a little more.

There is no need to scrape aggressively while the label is still dry and stubborn.

10. Rub Away the Softened Paper

Once soaked, use your fingers, a sponge, or a soft cloth to roll the paper away.

It may come off in little wet clumps.

That is normal.

Rinse the jar.

Now look at what remains.

Often the paper disappears while a sticky adhesive layer stays behind.

That is the second job.

11. Do Not Assume the Glue Will Dissolve in Water

Some adhesives are water-resistant.

You can soak them for an hour and still find the same sticky film afterward.

At that point, stop wasting water.

Switch to a method that works on the adhesive itself.

12. Try Dish Soap on Fresh Sticky Residue

If the glue feels greasy rather than hard, concentrated dish soap may help.

Apply a small amount directly to the residue.

Rub with your fingers or a soft sponge.

Rinse.

Dry.

Test the surface again.

13. Use Cooking Oil on Oil-Soluble Adhesive

This is one of the simplest tricks.

Many sticky adhesives soften when exposed to oil.

Put a small amount of cooking oil on the label residue.

Spread it over the sticky section.

Let it sit for a short while.

Then rub.

The glue may begin rolling away.

14. Use Only a Small Amount of Oil

You do not need to submerge the jar.

A teaspoon can be plenty.

Coat the adhesive.

Let it work.

More oil only creates a larger greasy cleanup afterward.

15. Vegetable Oil Works

You do not need expensive oil.

Ordinary vegetable oil is fine.

Canola.

Sunflower.

Corn oil.

Whatever neutral cooking oil you already have.

Save the extra virgin olive oil for dinner.

16. Coconut Oil Can Work Too

If coconut oil is convenient, it can also soften certain adhesives.

The advantage is that it stays thicker in a cool room, which can help it remain on vertical surfaces.

The disadvantage is that it still needs to be washed off thoroughly afterward.

17. Oil and Baking Soda Can Make a Useful Paste

For stubborn residue, mix a small amount of cooking oil with baking soda.

The oil softens the adhesive.

The baking soda provides mild scrubbing action.

Make only enough for the sticky patch.

Rub gently.

Then wash the jar thoroughly with dish soap.

18. Do Not Scrub Hard With Baking Soda

Glass is durable, but decorative coatings and printed jars may not be.

Use gentle pressure.

Let the oil do part of the work.

19. Avoid Baking Soda on Printed Designs

If the jar has lettering, paint, metallic decoration, or a printed logo you want to keep, baking soda may abrade it.

Keep the paste on plain glass only.

Test first.

20. Peanut Butter Can Work Because of the Oil

Yes, peanut butter can soften some adhesive.

It contains oil.

Spread a thin layer over the residue.

Let it sit.

Rub away the glue.

Then wash extremely well with dish soap.

This works, but ordinary cooking oil is usually less messy.

21. Mayonnaise Can Work for the Same Reason

Again, the oil is doing much of the work.

But if you have vegetable oil, there is little reason to coat a jar in mayonnaise unless you enjoy making cleanup more interesting.

22. Use a Plastic Scraper After Softening the Glue

Once the adhesive becomes soft, gently scrape it away.

Use:

A plastic scraper.

Old gift card.

Plastic spatula edge.

Plastic razor designed for scraping.

Avoid metal when possible.

23. An Old Credit Card Works Surprisingly Well

A rigid plastic card gives you leverage without the sharp edge of a knife.

Hold it at a shallow angle.

Push against the softened glue.

Wipe the card as residue builds up.

24. Do Not Use Your Bank Card

Use an expired card or something disposable.

Sticky adhesive is not worth damaging the magnetic strip or chip on a card you still need.

25. Avoid Knife Blades

A kitchen knife can slip.

It can cut your hand.

It can scratch glass coatings.

And it is completely unnecessary for ordinary label residue.

Use plastic.

26. Be Careful With Razor Blades

A razor scraper can remove adhesive from plain glass, but it must be used correctly.

If the jar has any coating, printing, tinting, or decorative finish, a blade may damage it.

For ordinary food jars, softer methods are usually sufficient.

27. Never Scrape Toward Your Hand

Whatever tool you use, push away from yourself.

Keep fingers out of the scraping path.

A reused jar is not worth an injury.

28. Try Rubbing Alcohol

Isopropyl alcohol can dissolve some adhesives very effectively.

Apply a small amount to a cloth or cotton pad.

Rub the sticky area.

Let it work briefly.

Then wipe away the softened glue.

Wash the jar afterward.

29. Use Alcohol in a Ventilated Area

Rubbing alcohol evaporates quickly and is flammable.

Keep it away from open flames.

Do not use it beside a lit gas stove or candle.

Use good ventilation.

30. Do Not Mix Alcohol With Other Cleaners

Use it by itself.

Do not combine it with bleach or random cleaning products.

Once the adhesive is gone, wash the jar separately.

31. Alcohol Can Damage Printed Labels or Paint

If you want to keep a painted design on the jar, test first.

Alcohol may remove inks or coatings.

Keep it on plain glass.

32. Hand Sanitizer Can Sometimes Work

Alcohol-based hand sanitizer can help with small adhesive patches.

Because it is gel-like, it can stay on a vertical area longer than liquid alcohol.

Apply a little.

Rub.

Wash thoroughly afterward.

Again, check decorative finishes first.

33. Try Acetone Only When Necessary

Acetone can dissolve stubborn adhesive.

But it is stronger than most jars require.

Use it only on plain glass and away from plastics, painted surfaces, decorative finishes, and certain lid coatings.

Ventilate well.

Keep it away from flames.

Wash the jar thoroughly afterward.

34. Nail Polish Remover Is Not Always Pure Acetone

Some formulas contain fragrances, oils, dyes, and other ingredients.

If using it for adhesive removal, check what is actually in the bottle.

Plain acetone is easier to predict than a cosmetic mixture.

35. Do Not Use Acetone on Plastic Jars

Acetone can damage many plastics.

If the container is plastic rather than glass, use a gentler method.

Oil and dish soap are safer starting points.

36. Do Not Use Acetone Near Plastic Lids

Keep it away from plastic cap liners and seals.

Remove those parts first.

37. WD-40 Can Remove Adhesive, but It Requires Thorough Cleanup

A small amount of WD-40 can soften stubborn adhesive on plain glass.

Spray onto a cloth rather than everywhere.

Rub the residue.

Then wash the jar repeatedly with dish soap until all oily residue and odor are gone.

For a jar that will hold food, I prefer simpler food-safe household options first.

38. Use Dedicated Adhesive Remover When Needed

Products made specifically for sticker and adhesive residue can be extremely effective.

Read the label.

Make sure the product is compatible with glass.

Wash the jar thoroughly afterward, especially if it will be reused for food.

39. Goo Gone Can Work Well

Citrus-based adhesive removers are popular for exactly this problem.

Apply a small amount.

Give it time to penetrate.

Wipe away the glue.

Then wash the jar thoroughly with dish soap.

The oily product needs to be removed completely before food reuse.

40. Keep Adhesive Removers Away From Food

Empty the jar first.

Do not use adhesive remover around food that will be eaten.

Wash the jar thoroughly after the adhesive is gone.

41. Wash the Jar More Than Once After Oily Adhesive Remover

If the glass still feels slippery or smells like the remover, wash again.

Use warm water and dish soap.

Rinse.

Repeat if necessary.

A food-storage jar should smell like nothing when you finish.

42. The Sun Can Help Warm Adhesive

If a label is stubborn, leaving the empty jar in a warm sunny place for a short period may soften certain adhesives.

Then peel or scrape.

Do not use this with flammable solvents already on the jar.

43. A Hair Dryer Can Soften Labels

Warm air can loosen adhesive before peeling.

Set the dryer to moderate heat.

Warm the label gradually.

Peel as you go.

This works especially well when you want to remove the label dry rather than soaking the jar.

44. Keep the Hair Dryer Moving

Do not hold intense heat against one spot on glass for a long time.

Heat the label evenly.

Glass can be stressed by extreme temperature differences.

45. Do Not Heat a Jar Containing Flammable Solvent

If alcohol, acetone, or adhesive remover is already on the jar, keep heat sources away.

Finish one method before trying another.

46. Try the Freezer for Certain Labels

Some adhesives become brittle when cold.

For jars with dry labels, placing the empty jar in the freezer may occasionally help the label release.

This is not as universally useful as warm water or oil, but it can work with certain stickers.

Let the glass return gradually toward room temperature afterward.

47. Do Not Pour Boiling Water Into a Frozen Jar

Sudden temperature change can crack glass.

Treat glass gently.

48. Remove Labels Before Dishwasher Cleaning When Possible

A paper label can disintegrate inside the dishwasher.

Bits of paper and glue may end up elsewhere.

Remove as much as possible first.

Then run the clean jar through the dishwasher if appropriate.

49. Some Labels Come Off Better After the Dishwasher

If a jar already went through a dishwasher and the label is soft, take advantage of it.

Peel while the adhesive is warm.

Do not let the gummy residue cool and harden again.

50. Do Not Put Every Jar in the Dishwasher

Check the jar and lid material.

Decorative printing may fade.

Thin glass may not be ideal.

Handwashing gives you more control.

51. Separate the Paper From the Adhesive

This is often the easiest mental approach.

First remove the paper.

Then remove the glue.

Trying to eliminate both at the same time can create a soggy sticky mess.

52. Rub Sticky Glue Into Little Balls

Some adhesives respond best to friction.

Once softened with oil or alcohol, rub with your thumb.

The glue may roll into small balls.

Wipe them away.

53. Use a Paper Towel for the Final Sticky Mess

Adhesive can ruin a good microfiber cloth.

For the first heavy removal, paper towel may be easier.

Once the residue is mostly gone, use a washable cloth for final cleaning.

54. Do Not Put Adhesive-Covered Cloths Straight Into Laundry

Heavy oily adhesive can transfer.

Scrape or wipe excess residue off first.

Wash separately if necessary.

55. Clean the Sink Afterward

Sticky glue can end up on the basin.

Wipe the sink after the jar-cleaning session.

Do not send large gummy chunks down the drain.

56. Pick Adhesive Pieces Out of the Sink

Glue can stick inside plumbing.

Wipe solid residue into the trash rather than washing everything down.

57. Oil Works Best on Certain Glues

If warm water does nothing, oil is often my next choice.

It is cheap.

Gentle.

Easy to find.

And generally safe on plain glass.

58. Alcohol Works Better on Some Other Adhesives

If oil only makes the glue greasy, wipe it off and try rubbing alcohol after washing the jar.

Different adhesive formulations respond differently.

There is no single universal label glue.

59. Do Not Layer Oil and Alcohol at the Same Time

Try one method.

Wash the jar.

Then try another.

This lets you know what actually worked and prevents an unnecessary chemical mess.

60. Do Not Mix Acetone With Other Cleaners

Use it separately.

Keep it away from bleach and oxidizing products.

61. Use Gloves for Solvents

Oil is harmless enough for most people, but adhesive removers, alcohol, and acetone can dry or irritate skin.

Use gloves for prolonged work.

62. Protect Your Countertop

Adhesive removers may damage:

Paint.

Wood finishes.

Natural stone sealers.

Certain plastics.

Place the jar on an old towel or tray.

Do not assume the work surface tolerates the same cleaner as glass.

63. Be Careful With Natural Stone Counters

Acetone and other solvents may affect sealers.

Oily adhesive removers can stain porous stone.

Protect the countertop.

64. Work Over a Metal or Plastic Tray When Using Solvents

This contains drips.

Choose a tray that is compatible with the product.

Acetone can damage certain plastics, so metal or glass may be better in that case.

65. Keep Solvents Away From Flames

Alcohol and acetone are flammable.

No candles.

No gas burners.

No smoking.

No heat guns.

66. Do Not Store Solvents in Food Containers

Keep them in their original labeled bottles.

67. Keep Children Away From the Cleaning Area

A jar coated in oil is one thing.

A jar covered in solvent is another.

Clean and store chemicals safely.

68. Keep Pets Away

Do not allow pets to lick adhesive remover or oily residue.

Clean the work area when finished.

69. Remove Label Residue From Jar Lids Separately

Metal lids may have painted surfaces.

Use mild soap and warm water first.

Avoid prolonged soaking if rust is possible.

For stubborn adhesive, test oil on the painted surface.

70. Do Not Use Abrasives on Painted Lids

You may remove the paint.

Use gentle rubbing.

71. Dry Metal Lids Immediately

Water trapped under the rim can encourage rust.

Dry thoroughly.

72. Inspect the Lid Before Reusing the Jar for Food

Look for:

Rust.

Damaged sealing compound.

Odor.

Dents.

Peeling coating.

A beautiful jar is not much use if the lid is deteriorating.

73. Some Commercial Jar Lids Are Not Designed for Long-Term Reuse

A lid from pasta sauce may be fine for storing dry goods.

That does not automatically make it suitable for home canning.

Canning requires appropriate jars, lids, and tested procedures.

Reuse ordinary jars for storage and crafts unless they are specifically designed for canning.

74. Do Not Use Random Food Jars for Home Canning

Heat processing creates pressure and temperature stresses.

Use proper canning jars and lids for tested canning recipes.

An old jam jar may crack or fail to seal correctly.

75. Glass Jars Are Great for Dry Storage

Once cleaned, reused jars can hold:

Rice.

Beans.

Pasta.

Spices.

Seeds.

Buttons.

Craft supplies.

Screws.

Small hardware.

Just make sure the jar is clean and completely dry.

76. Use Jars for Homemade Sauces Only With Proper Refrigeration

A reused jar is simply a container.

It does not make homemade food shelf-stable.

Refrigerate foods according to their recipe and food-safety requirements.

77. Sterilizing and Cleaning Are Not the Same Thing

Removing the label does not sanitize the jar.

If the jar will be used for food, wash it properly.

If a recipe requires sterilized jars, follow the specific recipe or food-preservation instructions.

78. Wash Before Removing the Label if the Jar Is Very Dirty

A greasy pasta-sauce jar is easier to handle once the food residue is gone.

Clean inside first.

Then focus on the label.

79. Remove Strong Food Odors

Pickle and sauce jars can retain smell.

Wash with dish soap.

Air dry.

If odor persists, a baking soda soak may help.

Rinse thoroughly.

80. Do Not Cover Odor With Fragrance

If the jar still smells strongly after cleaning, do not spray perfume inside.

Keep cleaning or choose another jar.

81. Baking Soda Can Help With Jar Odor

Add warm water and a little baking soda.

Let it sit.

Wash again.

Rinse thoroughly.

This is separate from the adhesive treatment outside.

82. Do Not Seal a Damp Jar

Moisture trapped inside can create musty odors.

Dry completely before putting the lid on.

83. Air Dry Upside Down With Airflow

Place the jar on a drying rack.

Do not trap the opening flat against a towel where air cannot circulate.

84. Inspect for Chips

Run your finger carefully around the rim.

If the glass is chipped or cracked, do not use it for food.

Discard it safely.

85. Be Careful With Sharp Label Scraper Damage

If you use a metal blade and chip the glass, the jar is no longer worth saving.

This is another reason to start gently.

86. Remove Glue Before Painting or Decorating the Jar

Adhesive residue interferes with paint and vinyl.

The surface should be clean, grease-free, and dry before crafts.

87. Wash Away Oil Before Applying Vinyl Labels

Oil can prevent vinyl from sticking.

After adhesive removal, wash the jar thoroughly with dish soap.

Then wipe the plain glass with rubbing alcohol if appropriate before adding new vinyl.

Let it dry completely.

88. Clean Glass Before Painting

For glass paint, follow the paint manufacturer’s preparation instructions.

Residual adhesive remover can interfere with adhesion.

89. Reuse Jars for Bathroom Storage

Clean jars can hold:

Cotton swabs.

Cotton balls.

Bath salts.

Hair ties.

Reusable pads.

Keep wet items out unless the container is designed for that use.

90. Reuse Jars in the Workshop

They are perfect for:

Screws.

Washers.

Nails.

Bolts.

Small fittings.

Clear glass makes it easy to see what is inside.

91. Use Them for Garden Seeds

Make sure the jar is completely dry.

Label the seeds.

Store according to seed-storage requirements.

92. Use Jars for Pantry Organization

Matching jars can make shelves look organized without buying a new container set.

Remove the commercial labels.

Add your own simple labels.

The transformation can be dramatic.

93. Photograph the Jar Before Label Removal

A good before image shows:

The original label.

The torn paper.

The sticky residue.

This makes an excellent DIY or cleaning article visual.

94. Photograph the Label Peeling

A hand pulling the label away gives you a useful action image.

95. Show the Sticky Residue Close-Up

The glue is the real problem.

Get close enough that readers can see the cloudy sticky layer.

96. Photograph the Oil Treatment

Show a small amount of oil being rubbed onto the adhesive.

This makes the method immediately understandable.

97. Show the Plastic Scraper

A close-up of the glue rolling away under an old card is useful.

It also demonstrates that you do not need a knife.

98. Photograph the Final Dish-Soap Wash

This matters because the oil-removal step is part of the process.

Show the jar being washed thoroughly.

99. Photograph the Jar Completely Dry

A wet jar can hide remaining glue.

Dry it.

Run your fingers over the old label area.

Then photograph the final glass.

100. Hold the Jar Against Light

Sticky residue often becomes much easier to see against bright light.

Rotate the jar.

If a cloudy patch remains, clean it again.

101. Do Not Assume a Cloudy Patch Is Glue

Some jars have etched or frosted areas left by long-term label contact or manufacturing.

If the surface is completely nonsticky after cleaning, the appearance may be permanent.

102. Scratches Will Not Clean Away

If someone already used a metal scrubber on the jar, fine scratches may remain.

Do not keep adding more chemicals.

103. Printed Logos May Be Permanent

Some information is printed directly onto glass.

Oil will not remove it.

Alcohol or acetone may, depending on the ink, but if you want the printing gone, test first.

104. Decide Whether You Actually Need the Printing Removed

A small date code on the bottom may not matter.

Do not turn a five-minute label job into a restoration project unnecessarily.

105. Remove Residue While It Is Fresh

A newly emptied jar is often easier to clean than one stored for months with old glue exposed to dust.

Clean jars soon after use.

106. Do Not Leave Partially Removed Labels to Collect Grease

Once the paper has torn, finish the job.

A sticky jar sitting in a kitchen cupboard will collect dust and grime.

107. Oil Can Loosen Old Adhesive Better if Given Time

For very stubborn glue, spread oil and let it sit for 15 to 30 minutes.

Then rub.

There is usually no need to leave it overnight.

108. Cover Oil Paste With a Small Piece of Paper Towel

This can help keep it against a vertical section.

Press lightly.

Remove later.

Rub.

Wash.

109. Reapply Instead of Scrubbing Harder

If the adhesive remains, add a little more oil or alcohol.

Give it time.

Gentle repeated treatment is safer than brute force.

110. Wash Between Methods

If switching from oil to alcohol, wash the oil off first.

If switching from alcohol to adhesive remover, let the alcohol evaporate and clean the surface.

Keep methods separate.

111. Do Not Mix Oil and Baking Soda in a Stored Container

Make it fresh.

A tiny amount is enough.

There is no reason to keep a jar of homemade label paste under the sink.

112. Use a Dedicated Old Toothbrush for Small Glue Areas

For textured glass, a toothbrush can help.

Apply the solvent or oil.

Brush gently.

Wash afterward.

113. Use Cotton Swabs Around Narrow Edges

Some labels wrap into grooves.

A cotton swab with rubbing alcohol can reach narrow areas.

114. Avoid Scratching Embossed Glass

Raised lettering can catch scrapers.

Use cloths and brushes instead.

115. Be Patient With Very Old Labels

Years-old adhesive can harden.

A second soak may be necessary.

Try warmth.

Then oil.

Then alcohol if needed.

Escalate gradually.

116. Start With the Least Aggressive Method

My order would usually be:

Warm soapy water.

Cooking oil.

Oil and baking soda.

Rubbing alcohol.

Commercial adhesive remover.

Acetone only if truly necessary and compatible.

This protects the jar and reduces chemical use.

117. Use the Stronger Method Only on the Glue

Do not cover the entire jar with solvent.

Treat the sticky patch.

Wash afterward.

118. Wipe Solvent Away Before Washing

Use paper towel to remove most of the dissolved glue and solvent.

Then wash with dish soap.

This keeps sticky residue from spreading through your wash water.

119. Do Not Pour Large Amounts of Solvent Down the Sink

Follow the product’s disposal instructions.

Use only small amounts for spot treatment.

120. The Best Method Depends on the Label

Some labels practically fall off in water.

Others laugh at water and release immediately with oil.

Some need alcohol.

If the first mild method fails, that does not mean you are doing anything wrong.

The adhesive is simply different.

My Easiest Method for Sticky Label Residue on Glass Jars

Start by washing the jar and soaking the label in warm soapy water.

Peel away as much paper as possible.

Dry the outside enough to see what glue remains.

Apply a small amount of ordinary cooking oil to the sticky residue.

Rub it across the glue and let it sit for around 10 to 20 minutes.

Use your fingers, a soft cloth, or an old plastic card to gently roll and scrape away the softened adhesive.

If necessary, mix a little baking soda into the oil to create a mild scrub.

Once the glue is gone, wash the entire jar thoroughly with hot or warm water and dish soap.

Rinse well.

Dry.

Then run your fingers over the old label area.

If it is still sticky, repeat the oil treatment or move to a small amount of rubbing alcohol on plain glass.

That usually handles even stubborn labels without knives or aggressive scrubbers.

What I Would Not Do

I would not attack the jar immediately with steel wool.

I would not scrape it with a kitchen knife.

I would not mix several solvents together.

I would not leave acetone sitting around children or an open flame.

And I would not reuse a food jar until every trace of adhesive remover, oil, and cleaner had been thoroughly washed away.

Why Saving Glass Jars Is Worth the Trouble

Once the label is gone, an ordinary grocery-store jar can become surprisingly useful.

Pantry storage.

Spice jars.

Craft organization.

Hardware containers.

Bathroom storage.

Seed storage.

Homemade gifts.

Leftover food in the refrigerator.

Sometimes the glass itself is too good to throw away just because the manufacturer chose extremely determined glue.

The trick is not scrubbing harder.

It is softening the adhesive with the right material first.

Warm water for paper.

Oil for many sticky glues.

Alcohol for stubborn residue.

Plastic instead of metal for scraping.

Then one good wash to bring the glass back to clean.

Once you figure out which method your particular label responds to, the whole job can go from frustrating to strangely satisfying.