The Difference Between Mineral Spirits and Mineral Oil

Mineral oil and mineral spirits may both have a place under your sink or on a shelf in your garage, but despite sounding similar, they are very different. Not sure which to use for your project? Here’s what to know.

What’s the difference between mineral spirits and mineral oil?

Both start with the word “mineral,” and are clear liquid byproducts of the distillation of petroleum, but the similarities end there.

Here are some of the difference between mineral spirits and mineral oil:

Mineral spirits

Common uses:

Thinning paint or inkCleaning paintbrushes and other toolsCleaning paint spillsStripping built-up layers of polish, wax, and oils on woodPrepping wood before staining or paintingRemoving residue from stickersRestoring garden toolsCleaning window framesRemoving scuff marks from the floorDegreasing auto parts and other toolsCleaning plastic outdoor furnitureRemoving sap from garden tools

Similar to:

TurpentineAcetoneDenatured alcoholCharcoal lighter fluid

Safety concerns:

Flammable Must be used in well-ventilated areaIrritant to eyes, skin, and lungs (wear goggles and gloves)Not food-safeEven odorless mineral spirits are dangerous if inhaled

Mineral oil

Common uses:

Conditions wood furnitureProvides wood with a barrier against humidity Protects wood from mold growthPrevents wood from absorbing waterUsed to treat butcher block countertop, cutting boards, wooden utensils, wooden plates and bowls, wooden poker chipsProtects blades on tools from rustingVarious health/beauty uses (e.g. to treat dry skin, dandruff, calluses, earwax, constipation)Lubricates door hinges to stop squeaksPrevents rust on metal outdoor furnitureCleans and polishes stainless steel appliancesSilences squeaky floorboards

Similar to:

BeeswaxCoconut oilBeeswax-based board creams

Safety concerns:

Mildly flammableFood safe/nontoxicIt’s a laxative, so ingesting too much can cause gastrointestinal distress