Laundry stripping is an occasional, aggressive hot-water soak for durable, washable laundry—not a routine wash and not a guaranteed stain-removal treatment. The method may loosen a mixture of accumulated body oils, soil, detergent or fabric-softener residue, and some hard-water-related buildup. It can also fade colors, shrink fabric, damage delicate items, or create unnecessary chemical exposure when used on the wrong laundry.
For the safest approach, strip only sturdy items such as colorfast cotton towels and linens, follow their care labels, use a separate tub or bucket rather than automatically filling a washing machine with the stripping solution, and rinse the items thoroughly afterward.
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What laundry stripping actually does
A strip wash uses a concentrated soak containing an alkaline builder, a laundry additive, and powdered detergent. The combination is intended to loosen buildup that ordinary laundering may leave behind. Borax can buffer alkalinity, loosen soils and stains, and deodorize; washing soda provides stronger alkalinity and can help soften hard water; and powdered detergent contributes surfactants and, depending on the formula, enzymes and other builders.
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Think of stripping as a last-resort maintenance soak for a persistent buildup problem—not as a superior replacement for correctly measured detergent, suitable wash cycles, and regular rinsing.
Which laundry can be stripped?
Choose items that are both durable and approved by their care labels for the planned water temperature. Good candidates commonly include:
- White, light-colored, or demonstrably colorfast cotton towels
- Sheets and pillowcases
- Bath mats and bathrobes
- Durable blankets, duvet covers, and mattress pads
- Sturdy washable linens
- Some cloth diapers, if their manufacturer permits the temperature and ingredients
Maytag’s practical guidance favors light, white, or colorfast towels and linens because they commonly collect residue and generally tolerate warmer water. Arm & Hammer also lists items such as towels, bath mats, blankets, duvet covers, sheets, pillowcases, bathrobes, workout clothes, and cloth diapers as possible candidates. Those lists are not blanket approval for every item: the care label and the manufacturer’s instructions take priority.
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Do not use this method on anything that cannot safely tolerate a hot, multi-hour alkaline soak. Exclude:
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- Dry-clean-only items
- Hand-wash-only items or anything with an uncertain care label
- Wool, silk, leather, and wool or silk blends
- Delicate knits, fragile fabrics, and garments with special finishes
- Elastic-heavy activewear unless its manufacturer specifically allows the treatment
- Printed garments and dark or unstable dyes
- Items that are prone to shrinkage, fading, stretching, or color transfer
“Color-safe” does not necessarily mean “safe for a hot soak lasting several hours.” Heat and extended soaking can release dye. Sort whites, lights, and darks separately, and do not mix a questionable colored garment with white laundry merely because it has previously survived normal washing.
Hot water can improve cleaning in some situations, but it can also cause shrinkage, fading, or other damage. If the label does not clearly permit the proposed temperature and treatment, do not strip the item.
What you need
- A bathtub, large bucket, or other clean vessel large enough for the laundry to move freely
- Hot water at the highest temperature the selected fabrics safely permit
- 1/4 cup Borax, such as 20 Mule Team Borax laundry booster as a brand example
- 1/4 cup washing soda, such as Arm & Hammer Super Washing Soda as a brand example
- 1/2 cup powdered laundry detergent
- Gloves, if you want to reduce contact with the solution
This is a representative standard-tub formula drawn from manufacturer directions, not a universal industry standard. Brand formulations and package instructions can differ, so check the labels for the products you actually use. The brands above are examples; no particular brand is required.
How to strip wash correctly in a tub
- Read the care labels and sort the load. Select only durable, washable items that permit the planned water temperature. Keep whites, lights, and darks separate. Inspect for loose prints, fragile seams, deteriorated elastic, and any signs that the fabric is already damaged.
- Choose a suitable vessel. Fill a bathtub or large bucket approximately one-half to three-quarters full with the hottest water that is safe for the fabrics. Leave enough room for the laundry and for stirring without splashing.
- Dissolve the powders first. Add 1/4 cup Borax, 1/4 cup washing soda, and 1/2 cup powdered detergent to the water. Stir until the powders are as fully dissolved as possible. Avoid creating airborne dust while measuring or pouring.
- Add the clean laundry. The items should have already been washed. Submerge them completely and gently stir or swirl them so the solution reaches all areas. Do not pack the vessel tightly; overcrowding prevents even contact.
- Soak for the period specified by the chosen directions. Arm & Hammer describes approximately four to five hours, while Maytag describes an overnight soak. Because official directions differ, there is no single mandatory duration. Do not extend the soak simply because the water looks dirty.
- Drain and remove the laundry. Be careful: the water and fabric may be hot, and the concentrated solution can irritate skin or eyes. Drain the solution rather than transferring it into a washing machine as though it were ordinary wash water.
- Rinse separately in the washing machine. Put the items into the washer and run a rinse cycle without adding more detergent or other additives. A second rinse may be reasonable if the care label permits it and the items still feel slippery or strongly scented, but do not keep adding chemicals.
- Dry according to the care label. Air-dry or tumble-dry only at the temperature and setting permitted for the fabric. Check the items once dry for fading, shrinkage, stiffness, or weakened elastic.
Do not automatically use the stripping mixture in a washing machine
A bathtub recipe is not automatically safe for a washer. Maytag advises against putting a stripping solution directly into the washing machine because it could damage the appliance. A washer’s extended-soak or presoak cycle may provide a gentler alternative: use a long hot-water soak with traditional detergent and any additives specifically permitted by the appliance and product instructions, then run a rinse cycle.
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That alternative still requires care-label checks. Never assume that because a washer has a soak setting, every fabric or homemade mixture is suitable for it.
Safety rules for Borax, washing soda, and detergent
- Keep all powders and dissolved solutions away from children and pets.
- Avoid breathing powder dust, and wash your hands after handling the ingredients.
- Consider wearing gloves, especially if you have sensitive skin.
- Prevent splashes into the eyes and rinse promptly with plenty of water if contact occurs; follow the product label for additional first-aid instructions.
- Never combine the stripping mixture with chlorine bleach, ammonia, acids, or any other unlisted cleaner.
- Measure products carefully and keep them in their original labeled containers.
- Do not store a dissolved oxygen-based laundry product in a tightly sealed container. Such a solution can continue releasing oxygen and create pressure.
Borax should not be described as non-toxic or risk-free. EPA’s Safer Choice information identifies reproductive, developmental, and neurological hazard concerns associated with Borax and cautions that homemade cleaning products can be hazardous when used incorrectly. Proper handling does not make every use automatically safe; it is another reason to avoid unnecessary stripping and to follow product labels.
Why the soak water may look alarming
The visual effect is easy to overinterpret. A dark soak can contain:
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- Body oils and perspiration residue
- Soil loosened from the fibers
- Detergent, softener, or fragrance residue
- Hard-water-related mineral buildup
- Dye released by heat, agitation, or prolonged soaking
That mixture cannot tell you how much was “buildup,” how long it had been present, or whether the laundry needed stripping. A dramatic-looking tub is not evidence that ordinary washing is ineffective, nor is it proof that the method improved the fabric.
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Try these gentler fixes first
Correct the normal wash
For recurring residue or odor, first measure detergent according to the product instructions. More detergent is not necessarily cleaner and can contribute to buildup. Avoid overloading, sort by fabric and color, select a cycle appropriate for the load, and use an extra rinse when the care label and machine permit it.
Use a product-directed presoak for a specific stain or odor
Stripping is aimed at generalized buildup. If the actual problem is a stain or a particular odor, a product-directed presoak is more targeted. For example, OxiClean Versatile Stain Remover Powder is described in its official directions as a chlorine-free laundry additive that can be dissolved for a one- to six-hour presoak or used as a detergent booster on compatible washable fabrics. It is not required in the classic Borax-and-washing-soda stripping recipe.
Do not use oxygen-based powder on wool, wool blends, silk, silk blends, leather, or dry-clean-only fabrics. Follow the product label for water temperature, concentration, soak time, and compatible materials.
Be cautious with workout clothing
Performance fabrics, elastic, coatings, and specialized finishes deserve extra care. Some product instructions describe a stripping-style method for workout clothes, while other guidance recommends a normal wash with mild detergent and a compatible oxygen-based stain remover. These are product-specific directions, not proof that all activewear should undergo a hot Borax-and-washing-soda soak. Use the garment manufacturer’s instructions whenever they are more restrictive.
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Strip only when all three conditions are true:
- The problem appears to be persistent generalized residue or buildup rather than one isolated stain.
- The items are durable, washable, and colorfast enough for the proposed hot, extended soak.
- Correct detergent measurement, suitable loading, normal washing, and an extra rinse have not solved the problem.
If any condition is missing, use ordinary laundering or a gentler, product-directed presoak instead.
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Quick checklist
- ☐ Care label permits the temperature and treatment
- ☐ Items are durable and washable
- ☐ Whites, lights, and darks are separated
- ☐ No wool, silk, leather, delicate finish, or uncertain fabric is included
- ☐ Borax, washing soda, and powdered detergent are measured accurately
- ☐ Powders are dissolved before the laundry is added
- ☐ The soak is done in a tub or bucket, not automatically in the washer
- ☐ No bleach, ammonia, acids, or extra cleaners are mixed in
- ☐ Laundry is rinsed separately without more detergent or additives
- ☐ Items are dried according to their labels
Frequently Asked Questions
How often should you strip wash laundry?
There is no evidence-based universal schedule. Laundry stripping is an occasional treatment for persistent buildup, not a routine monthly or weekly step. If ordinary laundering is working, there is no need to strip.
Can I strip dark or colored clothes?
Only if the care label permits the temperature and the fabric is known to be colorfast, but the conservative choice is to use light, white, or colorfast durable linens. Hot water and a long soak can cause dye bleeding or fading, so never mix uncertain colors with whites.
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Can laundry stripping remove stains?
It may loosen some soils, but it is not primarily a stain-removal method and cannot guarantee stain removal. For a specific stain or odor, use a compatible product-directed presoak instead.
Can I put Borax and washing soda directly into my washing machine for stripping?
Do not automatically transfer the tub recipe to a washer. Maytag warns that a stripping solution could damage the appliance. Use only a washer’s presoak or soak function as directed by the appliance, detergent, additive, and fabric-care instructions.
Is the dirty soak water proof that detergent buildup was removed?
No. The water can contain loosened soil, body oils, product residue, and dye as well as any detergent residue. Its color is not a controlled test of what was removed.
The Bottom Line
Bottom line: Laundry stripping can be a useful occasional soak for stubborn buildup on durable, washable, colorfast towels and linens, but it is too aggressive for many garments and unnecessary when normal laundering is done correctly. Check the care label, use a separate tub, never mix in bleach or other cleaners, rinse without additional detergent, and choose a gentler presoak when the problem is a specific stain or odor.
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