Does Adding Aspirin to Your Laundry Really Work

While aspirin does contain salicylic acid, its laundry powers are limited:

Water temperature matters: It only works properly in warm or hot water, where tablets fully dissolve.

Quantity required: Typically 4–6 crushed tablets per load are needed—less cost-effective than baking soda, vinegar, or oxygen bleach.

Limitations on stains: Aspirin won’t disinfect or remove heavy, set-in stains like grease, wine, or blood.

Whitening effectiveness: Oxygen-based bleach products generally outperform aspirin for brightening whites.

Despite these limitations, many people still swear by the method for delicate or sentimental items, like vintage blouses, christening gowns, or sweat-soaked workout clothes.

How to Try the Traditional Method

If you’re curious and have some spare aspirin tablets, here’s the classic approach:

Crush 4–6 uncoated aspirin tablets into a fine powder.

Dissolve the powder in 2–4 cups of warm water.

Submerge the yellowed or stained garment and let it soak for 4–8 hours, or overnight.

Wash the item as usual.

While aspirin isn’t a miracle cleaning solution, it remains a charming example of old-fashioned laundry practices—gentle, low-cost, and still trusted by those who appreciate time-tested remedies.

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