Tired of lingering cooking smells, stale odors in the pantry, or that peculiar scent in the fridge? Instead of reaching for chemical-laden air fresheners, why not tap into a simple, natural solution? This DIY odor absorber uses everyday ingredients to neutralize unwanted smells, leaving your home feeling fresh and clean. It’s an affordable and sustainable way to maintain a pleasant atmosphere, especially in the heart of your home.

What You’ll Need
- 1 large glass mason jar (approx. 16 oz or 500ml)
- 1.5 – 2 cups baking soda (enough to fill the jar most of the way)
- 5-10 drops essential oil (e.g., lemon, lavender, tea tree, peppermint, orange)
- Spoon or small spatula for mixing
- Optional: A piece of breathable fabric (like cheesecloth or thin cotton) or a coffee filter, and a rubber band or the jar ring for the lid
Why This DIY Can Be Useful
The star ingredient in this DIY, baking soda (sodium bicarbonate), is a well-known natural deodorizer. It works by absorbing acidic and alkaline odor molecules, effectively neutralizing them rather than just masking them. When combined with essential oils, it not only tackles bad smells but also releases a subtle, pleasant aroma, making your space more inviting without harsh chemicals.
How to Make It
- Prepare Your Jar: Make sure your mason jar is clean and dry.
- Add Baking Soda: Pour about 1.5 to 2 cups of baking soda into the mason jar. You want the jar to be mostly full, but leave a little space at the top.
- Add Essential Oil: Add 5-10 drops of your chosen essential oil directly onto the baking soda. You can adjust the number of drops based on your desired scent strength.
- Mix Well: Use a spoon or small spatula to thoroughly mix the essential oil into the baking soda. This helps distribute the scent evenly and activates the deodorizing properties.
- Cover (Optional): If you want to maximize air circulation and scent release, you can skip the solid lid. Instead, cover the top of the jar with a piece of breathable fabric or a coffee filter, securing it with a rubber band or the jar’s outer ring. This allows the scent to diffuse and odors to be absorbed more effectively.
How to Use It
- Placement: Place your DIY odor absorber in areas where unwanted smells tend to accumulate. Popular spots include inside the refrigerator, under the kitchen sink, in the pantry, on a bathroom counter, or in a closet.
- Application: Simply set the open or fabric-covered jar in the desired location. No need to shake or stir daily, though you can give it a little mix occasionally to refresh it.
- Maintenance: The baking soda will gradually absorb odors and its effectiveness will diminish over time. Plan to refresh or replace the contents every 1-3 months, depending on the severity of the odors in the area. When it’s time to replace, you can dispose of the used baking soda in your regular trash.
What to Expect
You can expect a noticeable reduction in ambient odors in the area where the absorber is placed. The essential oil will provide a light, natural fragrance, but it won’t be as strong or overpowering as a commercial air freshener. This DIY is designed to neutralize rather than heavily perfume your space, leading to a genuinely fresher environment.
Helpful Tips
- Customize Your Scent: Experiment with different essential oils or blends. Lemon and orange are great for kitchens, lavender for bathrooms or bedrooms, and tea tree oil offers antibacterial properties.
- Reactivate: If you notice the scent fading or odors returning before it’s time to replace, give the baking soda a good stir with a spoon. This brings fresh baking soda to the surface.
- Small Spaces: For very small areas like shoe cabinets, you can use a smaller jar or even just a breathable sachet filled with the mixture.
- Gift Idea: These DIY odor absorbers make thoughtful and practical gifts for friends and family!
Important Notes / Safety
- Ventilation: While this DIY is natural, ensure good ventilation in your home, especially when cooking, as this absorber works best in conjunction with good airflow.
- Children and Pets: Keep the jar out of reach of small children and pets, as essential oils should not be ingested.
- Essential Oil Dilution: For topical use of essential oils, proper dilution is crucial. In this DIY, the oils are diluted in baking soda for scent and odor absorption, not for direct skin application.
- Surfaces: Place the jar on a stable surface where it won’t easily tip over.


