Homemade Deodorant: Baking Soda Skin Irritation and a Gentler Fix (Video)
Baking soda can scrub a pan clean, but on your skin it often causes redness, itching and peeling. This video shows why the high pH of baking soda irritates delicate underarm skin and offers a softer, arrowroot-and-coconut-oil recipe that stays close to your skin’s natural acidity.
You’ll also learn how to test any DIY deodorant safely, store it properly, and what everyday habits can keep odor at bay. Remember, this is personal advice, not medical guidance.
Read the full written guide: Homemade Deodorant: Baking Soda Skin Irritation and a Gentler Fix →
Transcript
Gentle DIY Deodorant
Baking soda can scrub a pan clean, but on your skin it can cause redness, itching and peeling within days.
At a glance
Baking soda sits at a high pH, around eight to nine, while our underarm skin prefers a gentle five. That mismatch often leads to redness, stinging, even dark patches after a week of daily use. A softer mix of arrowroot or cornstarch with coconut oil avoids the problem and lasts a few weeks at room temperature.
Why baking soda irritates
Our skin is protected by a thin acidic film called the acid mantle, keeping the surface around pH 4.5 to 5.5. This mild acidity helps the barrier stay tight and keeps odor-causing bacteria in check. Baking soda, however, has a pH of eight to nine. Rubbing that onto the delicate underarm skin every day pushes the surface away from its natural balance. The skin there is thinner, folds, and rubs against itself as we move, making it especially vulnerable.
Who should be careful
If you shave or wax regularly, have eczema, or are using the product on a child, skip baking soda recipes altogether. Never apply any homemade deodorant to broken skin, freshly shaved areas, or inflamed spots. If a rash spreads, oozes, or comes with fever, see a doctor instead of layering more home fixes.
Gentler recipe that works
Odor comes mainly from bacteria feeding on sweat, not the sweat itself. A high-pH scrub isn’t needed to interrupt that. Arrowroot powder or plain cornstarch so up moisture, while coconut oil brings natural antibacterial fatty acids. A pinch of cornflour keeps the texture smooth. This blend won’t stop sweating, no home recipe does, but it reduces the smell and stays close to the skin’s natural pH.
How it was used
Long before modern deodorant sticks, many desi households used phitkari, or alum, rubbed on damp skin after a bath. It was paired with frequent washing in summer and daily changes of cotton clothing. Phitkari also has precautions on fresh shaves or broken skin, so read up if you want to compare.
Patch testing before commit
Before you commit, test any recipe on the inside of your forearm, not directly under the arms. Apply a tiny amount, wait a full 24 hours, and check for any redness or itching. This simple step catches most reactions before you use it where it matters.
Storing it so useful
Coconut-oil pastes melt around 24 °C, which is common in Pakistani summers. Keep the jar in the refrigerator from April through September, and warm a small scoop on your fingertip before applying. Discard the batch after three to four weeks; without preservatives, repeated finger contact can introduce bacteria sooner if kept warm and damp.
What helps if odour bigger
If odor persists despite daily washing and fresh clothes, look at diet first, garlic, onion, and red meat can amplify scent. Also choose breathable fabrics like cotton or linen instead of synthetics that trap sweat. Sudden, heavy sweating that soaks through clothing regularly should be discussed with a doctor rather than managed silently at home.
Reading ingredient list
Not every ‘natural deodorant’ recipe on WhatsApp uses the same ratios. Equal parts baking soda and coconut oil sit at the harsher end. A pinch of baking soda folded into a larger base of arrowroot and shea butter is milder because the alkaline ingredient is diluted. If you have a family favorite you’re not ready to give up, try adjusting the proportions first.
Quick fix for today
If a baking-soda rash is already present, skip new recipes for now. Gently wash the area with plain water, pat dry, and apply a thin layer of fragrance-free moisturizer or plain coconut oil. Let the skin rest for at least three days without any deodorant before trying a gentler mix.
Underarm hygiene beyond
Deodorant is just one piece of the puzzle. Wash the underarms with plain water once or twice a day, wear breathable cotton instead of synthetic blends, and give the skin a break from shaving for a few days when it feels irritated. These simple habits reduce the load on any deodorant you eventually settle on and help prevent rash before it starts.
Take care
For the full guide and more tips, visit thecareonline.com. Remember, this is personal advice, not medical guidance.





