How to Make Baking Soda Shampoo at Home: 7 Recipes for Every Hair Type

Natural Hair Care | DIY Shampoo | Scalp Health | Zero Waste Beauty

Most commercial shampoos contain a cocktail of sulfates, silicones, parabens, synthetic fragrances, and preservatives that strip natural oils, disrupt the scalp microbiome, and leave hair dependent on conditioners to undo the damage the shampoo itself caused. It is a cycle that costs money, harms the environment, and for many people, produces hair that never quite looks or feels as healthy as it should.

Baking soda shampoo breaks that cycle entirely. It cleanses deeply and gently, removes product buildup without stripping essential oils, and costs a fraction of a penny per wash. Hundreds of thousands of people who have switched to baking soda washing report softer, shinier, less greasy hair within weeks — once they learn how to use it correctly. Here is everything you need to know.

Why Baking Soda Works as Shampoo

Baking soda — sodium bicarbonate — is a mild alkali with a pH of approximately 8.3. Understanding how it works on hair requires understanding hair’s natural chemistry:

Cleansing through alkalinity: Dirt, sebum, and product buildup are predominantly acidic or neutral compounds. Baking soda’s alkalinity dissolves and lifts these deposits from the hair shaft and scalp without the need for harsh sulfate detergents.

Cuticle opening: The alkaline pH temporarily opens the hair cuticle, allowing deeper cleansing of the hair shaft. This is particularly effective at removing silicone buildup from commercial conditioners that ordinary shampoo cannot penetrate.

Scalp oil regulation: Unlike sulfate shampoos that strip all oil and trigger reactive overproduction, baking soda removes excess oil while leaving enough sebum to naturally condition the hair — gradually training the scalp to produce less oil overall over several weeks.

Antifungal properties: Baking soda’s alkaline environment inhibits Malassezia — the fungus responsible for dandruff and flaky scalp conditions — making it a genuinely therapeutic scalp treatment alongside its cleansing action.

The Essential ACV Rinse — Do Not Skip This Step

This is the most important piece of information in this entire guide. Baking soda’s alkaline pH opens the hair cuticle during washing. If you do not follow with an acidic rinse to close it, hair will feel rough, look dull, and become prone to frizz and breakage. The apple cider vinegar rinse is not optional — it is the second half of the treatment.

Basic ACV Rinse Recipe: Mix one tablespoon of raw apple cider vinegar into one cup of cool water. Pour through hair after washing, massage gently into the scalp, and rinse out after 30 seconds. The acidic pH seals the cuticle, removes any baking soda residue, adds brilliant shine, and restores the scalp’s protective acid mantle.

7 Baking Soda Shampoo Recipes for Every Hair Type

All 7 Recipes at a Glance

The Transition Period: What to Expect

This is the section most people skip — and then give up because they experienced the transition and thought it was failing. Almost everyone who switches from commercial shampoo to baking soda goes through a transition period of one to three weeks during which their hair may feel greasier, heavier, or different from usual. This is completely normal and expected.

Why it happens: Commercial shampoos train the scalp to overproduce oil to compensate for aggressive stripping. When you stop stripping, the scalp continues producing its usual excessive amount of oil until it recalibrates — which takes one to three weeks depending on how long you have been using sulfate shampoos.

How to get through it: Wash slightly more frequently during the transition — every three to four days rather than weekly. Use dry shampoo at roots between washes if needed. Stick with it. The payoff — hair that stays clean longer, looks naturally healthier, and costs almost nothing to maintain — is worth every day of the adjustment period.

Tips for Best Results

• Always use lukewarm water — hot water opens the cuticle too aggressively and strips more oil
• Never skip the ACV rinse — it is as important as the shampoo itself
• Mix each batch fresh or store maximum three to four days in the fridge — baking soda mixtures degrade over time
• Use a squeeze bottle or small jug for application — much easier than trying to pour from a bowl
• Massage the scalp — not the hair — for the full application time. Hair gets clean from scalp oils moving down; scrubbing the lengths causes tangling and breakage
• Start with once per week and assess how your scalp responds before increasing frequency
• If hair feels too dry after washing, add a few drops more of carrier oil to your recipe
• Colour-treated hair: always do a strand test first — baking soda can gradually fade artificial colour with repeated use

Final Thoughts

Baking soda shampoo is not a trend — it is a return to simpler, more effective hair care that respects both your hair’s natural biology and your wallet. Once your scalp completes its adjustment period, most people never look back. Cleaner, lighter, shinier hair that stays fresh for days longer between washes — with an ingredient that costs virtually nothing and contains nothing harmful.

Choose the recipe that best matches your hair type, commit to the ACV rinse every single time, push through the transition period with patience, and give yourself four weeks before judging the results. Your healthiest hair is waiting on the other side.

Disclaimer: Results vary by hair type and scalp condition. Baking soda is alkaline and may not be suitable for all hair types, particularly very dry, chemically processed, or extremely sensitive scalps. Always patch test and monitor your scalp’s response. Consult a trichologist or dermatologist if you experience persistent scalp irritation.