Baking powder is a kitchen staple for rising dough in pastries, but its versatility extends far beyond baking. As a professional home efficiency expert with years of testing natural cleaners, I've uncovered its powerful cleaning and deodorizing properties thanks to its baking soda content. Even expired baking powder works wonders. Here are 22 proven baking powder uses every homeowner should know:

The most common use is in baking cakes and pastries, where one packet typically suffices for 500g of flour. But its real magic shines in everyday kitchen cleaning.

Baking powder's baking soda content neutralizes odors effectively. Place half a packet in a cup in the fridge for hours to absorb smells. It also freshens shoes, closets, or cat litter.
To discover: 4 Baking Tips Against Bad Smells at Home.

Sprinkle half to one packet into the pan, add water, and let sit for an hour or overnight. Wipe away residue effortlessly. For faster results, make a paste. Great for ovens too.
To discover: The Secret to Cleaning a Burned Stove with Baking Soda.

Tannin buildup stains cups and pots. Add half a packet to the vessel, fill with water, and soak overnight. Rinse—stains vanish. Sponge any remnants.
To discover: The Trick To Clean A Stained Tea Cup.
Sprinkle baking powder in the sink, dampen a sponge, scrub, and rinse for a spotless shine.

Fill with hot water, add one packet, shake, and let sit for an hour. Rinse—odors gone.
To discover: How to Clean and Remove Bad Odors from a Water Bottle.
Baking powder excels at whole-home cleaning.

Sprinkle on tile joints or surfaces, scrub with a sponge or brush. Ideal for countertops.
To discover: 4 Natural and Effective Products to Clean a Worktop.

Mix one packet with lemon juice into a paste, apply to joints, scrub, let sit two hours, rinse for white joints.
To discover: Blackened Tile Joints? How To Blanch Them With Baking Soda + Lemon.
Soak in warm water with one tablespoon baking powder for an hour, wipe with a soft cloth for shine. Toothpaste works too.
To discover: How To Clean Your Blackened Silverware With Baking Soda In 1 Min.

Add one packet to the wash drum to soften water, whiten fabrics, and remove stains. Pretreat collars.
Sprinkle on a damp sponge and wipe walls clean.
To discover: Drawings on the Walls: The Magic Trick to Erase Them.
Mix 60g in 1 liter water, mop for shine.
To discover: White Vinegar: The Miracle Product To Make Vinyl And Lino Floors Shine.
Use sparingly; baking soda is often better for repeated use.

Use occasionally to whiten and clean, but avoid frequent use due to acidity.
To discover: My Dentist's Tip for Cleaning & Disinfecting Your Toothbrush.
Sprinkle under arms. Baking soda is ideal long-term.

Foot bath or sprinkle in shoes overnight.
To discover: The INFAILLIBLE Technique Against Smelly Feet.
Warm 1 liter milk, add packet, soak feet 10 minutes. Repeat weekly.
To discover: Dry feet? 7 Magical Remedies For SOFT Feet!
Mix 3 packets with water into paste, apply to hair, wrap, sit in sun 1 hour, rinse.
To discover: The Trick To Lighten Your Hair Naturally and QUICKLY.
Mix packet with lukewarm water, apply with cloth for relief.
To discover: Sunburn: The Magic Bicarbonate Remedy!

Mix 1 tsp in water and drink. Use sparingly; consult doctor if persistent.
To discover: For Heartburn, Use This Magical Bicarbonate Remedy.
Sprinkle on paths; ants ingest and perish.
To discover: 10 Natural Tips For Fighting Ants.
Spray diluted packet on plants every other day.
To discover: How to Get Rid of Aphids? The Tip Revealed By A Gardener.

Pour packet, then 1/2 cup vinegar, wait, flush with hot water.
To discover: [link text].
Mix 50ml dish soap, 100ml hydrogen peroxide, add packet in bottle. Supervise kids; foam is hot.

Typically: bicarbonate, acid (e.g., disodium dihydrogen diphosphate), cornstarch. Reacts with heat to release CO2, rising dough.

Substitute with baking soda + vinegar or citric acid. Equally effective and budget-friendly.
Available at grocery stores, supermarkets, or online. Make your own—recipes here.