Washing Without Conventional Detergent: Kitchen Staples for Fresh Laundry

Simple kitchen staples can, however, take the place of conventional detergent.

Anyone who repeatedly washes colourful shirts, jeans or sportswear at high temperatures with plenty of detergent will know the issue: colours lose their vibrancy, fabrics become dull, and clothes feel worn even when they are still relatively new. A few everyday food cupboard items can remove dirt and odours without putting textiles under unnecessary strain, while also being kinder to both household budgets and the environment.

Why we often wash clothes too much

Many people put garments straight into the laundry basket even when they have only been worn briefly. Tops, trousers and jumpers in particular can often simply be aired out instead. Every machine wash subjects items to mechanical stress, temperature changes and chemicals, all of which can fade colours and make fibres more brittle.

Experts therefore advise asking an honest question before every wash: does the item genuinely smell unpleasant? Are there any visible stains? Or is washing it simply a habit? Asking these questions can substantially reduce how often you wash, leaving you able to use household remedies more selectively when you do.

“The fewer conventional full washes with detergent, the longer colours stay bright and fabrics remain strong – kitchen ingredients can achieve a surprising amount here.”

Which foods can help in the washing machine

Vinegar to tackle odours and limescale

Household vinegar, ideally clear distilled vinegar or diluted vinegar essence, is a genuine all-rounder. It neutralises unpleasant smells and helps break down limescale deposits inside the machine.

• Remove odours: Add around 50–100 ml of vinegar to the fabric conditioner compartment.
• Replace fabric conditioner: Vinegar can leave fibres feeling softer without coating them.
• Care for the machine: It helps loosen detergent residue and limescale.

Vinegar is especially useful for towels, sportswear and kitchen laundry, where freshness matters more than a strong fragrance. It should be used sparingly on delicate fabrics or wool, as prolonged use may slightly damage fibres.

Baking powder for greying and stains

Baking powder contains bicarbonate of soda and is mildly alkaline. This makes it useful against greying and light stains.

• Put one or two sachets directly into the drum.
• It is ideal for greyed T-shirts, underwear or white socks.
• It can help suppress odours, particularly from perspiration stains around the underarms.

Baking powder has a mild brightening effect, so it is sensible to test it on an inconspicuous area before using it on colour washes with particularly vivid shades.

Bicarbonate of soda as an odour neutraliser

Pure bicarbonate of soda from the kitchen works in a similar way to baking powder, but without added raising agents. In the washing machine, it absorbs odours and can reduce perspiration marks.

Add one or two teaspoons of bicarbonate of soda directly to the drum. It is particularly handy for sportswear, trainer insoles or shirts exposed to heavy sweating.

Lemon to refresh white laundry

Lemon juice has a mild bleaching action and can remove yellowing, for instance from curtains or white T-shirts. It also adds a fresh scent.

• Squeeze the juice of one or two lemons into a glass of water.
• Pour the mixture into the detergent drawer.
• Alternatively, place lemon slices in a cotton bag and put it in the drum.

Citrus fruits should only be used very cautiously on coloured laundry, because strong acid may affect the dyes.

How to wash without conventional detergent

It is not always possible to manage entirely without detergent, particularly with heavily soiled children’s clothes or workwear. For lightly soiled everyday laundry, or items that merely smell slightly musty, a combination of water, temperature and household remedies is often perfectly sufficient.

Step-by-step guide

1. Sort the laundry by colour and material.
2. Select only lightly soiled items, and treat stains locally beforehand, for example with a little gall soap or plain soap.
3. Choose a 30 or 40 degree programme; use a delicates or gentle cycle for sensitive fabrics.
4. Depending on what is needed, add a measured amount of vinegar, baking powder, bicarbonate of soda or lemon to the drum or drawer.
5. Remove laundry from the machine as soon as the programme finishes and allow it to dry thoroughly, preferably in the open air.

After trying this a few times, it quickly becomes clear that much of the laundry comes out clean and smelling fresh despite no conventional detergent being involved.

When household remedies reach their limits

The kitchen cupboard is not enough for grease stains, engine oil, heavily caked-on dirt or hygiene-sensitive textiles such as baby bodysuits, underwear and cleaning cloths. In these cases, use a full detergent or hygiene detergent and, where necessary, higher temperatures.

Health must take priority: if laundry is heavily contaminated with germs due to illness, it is best to rely on tested products that reliably reduce bacteria and viruses. Household remedies can provide support, but they do not replace a disinfecting effect in these circumstances.

Benefits for the environment, your budget and textiles

Using less detergent reduces the burden not only on clothing but also on the environment. Fewer chemicals enter wastewater, less packaging is used, and the washing machine accumulates limescale more slowly.

Measure	Environmental benefit	Benefit for clothing
Less detergent	Fewer surfactants in wastewater	Gentler on fibres, less fading
Vinegar instead of fabric conditioner	No cocktail of fragrances in the water	Fewer residues on the skin
Baking powder / bicarbonate of soda	Often more readily biodegradable	Helps with odours and reduces greying

Over time, households can noticeably cut their spending on detergent this way. Families running several loads each week in particular will feel the difference in their wallets.

Common mistakes when washing with household remedies

Anyone using foods in the washing machine should keep a few points in mind to avoid problems:

• Avoid overdosing: Too much vinegar can affect seals, while excessive baking powder creates foam.
• Check direct contact: Treat delicate fabrics such as silk, wool or viscose with great care.
• Do not neglect appliance care: Despite using vinegar, occasionally run an empty 60-degree cycle to reduce germs.
• Do not experiment with fatty foods: Oil, butter and milk do not belong in the drum, as they make dirt worse.

Everyday examples

A typical example is a T-shirt worn for a day at the office: there are no visible stains, just a slight odour beneath the arms. A short wash with a little vinegar in the fabric conditioner compartment and one teaspoon of bicarbonate of soda in the drum is enough here. The shirt comes out smelling fresh, without the need for a full detergent.

Another example is lightly greyed white socks. Add two sachets of baking powder directly to the wash and select a 40-degree programme: the colour often looks a little brighter again, while the grey cast is reduced.

What terms such as “grey cast” and “microfibre damage” mean

Textile care specialists use the term “grey cast” when pale fabrics no longer look properly bright, instead appearing dull and dirty despite having been freshly washed. Soap residue and tiny dirt particles lodged in the fibres are often the cause. Baking powder and bicarbonate of soda can help loosen these deposits.

“Microfibre damage” refers to tiny breaks in fibres caused by excessive temperatures, heavy friction and chemicals. The result is that fabrics pill, forming small bobbles, feel rough or lose their shape. Using less aggressive detergent and household remedies can slow this damage.

How household remedies can be combined effectively

Those who do not want to give up detergent entirely can combine the two: use a much smaller amount of a mild detergent alongside vinegar or bicarbonate of soda. This can reduce total consumption while keeping cleaning performance consistent.

One practical combination is half a measuring cap of liquid detergent for colours, a splash of vinegar in the fabric conditioner compartment and one teaspoon of bicarbonate of soda with the laundry. In many cases, this is enough to keep everyday clothes hygienic and odour-free, without aggressive cleaning cocktails.