Herb-Infused Vinegar Cleaning Spray

A jar of vinegar with herbs and citrus peel steeping on the windowsill is one of the oldest home-cleaning tricks. After a couple of weeks you strain it, dilute it with water and have a spray that cuts through everyday grime and smells far nicer than plain vinegar.

It is a useful thing to have under the sink, but it is often oversold. This guide explains what herb vinegar cleans well, what it does not do, which surfaces it can harm, and the one safety rule you must never break.

What vinegar is good at

White vinegar is a mild acid. That makes it handy for loosening mineral deposits and hard-water marks, cutting light grease, and leaving glass and glazed tiles streak-free. Extension services such as UF/IFAS use it as the base for simple homemade window, tile and all-purpose cleaners.

The herbs do not do the cleaning. Rosemary, thyme and lemon or orange peel are added mainly to soften the sharp smell of vinegar with something fresher. Once diluted and sprayed, the herbal scent fades within a few minutes, as does the vinegar smell.

What the evidence says

Cleaning and disinfecting are not the same. Cleaning removes dirt and some germs along with it. Disinfecting means killing germs on a surface to a tested standard. Vinegar is good at the first job and weak at the second.

In a laboratory study published in Infection Control and Hospital Epidemiology, vinegar and baking soda were less effective at killing common bacteria such as Staphylococcus aureus and E. coli than commercial household disinfectants. The UF/IFAS guide to homemade cleaners does not present vinegar as a disinfectant either; its disinfecting recipes use diluted bleach.

Adding herbs does not change this. Thyme and rosemary contain aromatic compounds that are studied in labs, but there is no good evidence that a few sprigs steeped in vinegar turn it into a disinfectant. Use herb vinegar for everyday cleaning, and use a proper disinfectant when you really need one, such as after handling raw meat or when someone at home is ill with a stomach bug.

Surfaces vinegar can damage

Because vinegar is acidic, it can harm some materials. Keep it away from natural stone such as marble, limestone, travertine and granite, where it can etch or dull the surface and wear down sealants. Avoid waxed or oiled wood and some furniture finishes, which it can strip or cloud.

Take care with some metals and parts too. Repeated use can mark aluminum, cast iron and some plated finishes, and it is best kept off rubber seals and the screens of phones, laptops and TVs. When you are unsure, test on a small hidden spot first and wipe it off after a minute to check.

Never mix with bleach

This is the one rule that matters most. Never mix vinegar, herb vinegar or any other acid with bleach, and do not use them one after the other on the same surface without rinsing well in between. The UF/IFAS guide warns that mixing bleach with vinegar, ammonia or other cleaners can create toxic fumes that affect the lungs, and the CDC advises never mixing bleach with any other cleaner.

Label your spray bottle clearly, keep it in its own place, and never pour leftovers into a bottle that has held another product.

Questions people ask

This article is for general information only and is not medical advice. Herbs can interact with medicines and health conditions. Talk to a doctor or pharmacist before trying a herbal remedy, especially if you are pregnant, breastfeeding, giving it to a child, or taking any medication.