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How do I deep clean my scalp with baking soda?

Author

Emma Payne

Published Jan 16, 2026

The Steps

  1. Pour one part baking soda into a bowl.
  2. Mix in three to four parts water. ...
  3. If using essential oils for fragrance, add a few drops to the bowl.
  4. To use in the shower, wet your hair completely, turn off the water, and gently apply the baking soda mixture from root to tip.

Can baking soda damage your scalp?

Baking soda is sodium bicarbonate. It has a pH of about 9, which is considered a strong alkali or base. The pH of the scalp and the rest of the skin is about 5.5. Research suggests that using a product with a pH higher than 5.5 may damage the scalp.

Can I use baking soda to clean my scalp?

Baking soda helps get rid of unwanted buildup in hair by helping to exfoliate your scalp. Buildup from hair products, dirt from the environment and overactive oil glands make some people want to shampoo more often, which isn't completely necessary.

How do I deep clean my scalp from build up?

How to get rid of it.

  1. Make sure you're washing your hair enough.
  2. Sub in a clarifying shampoo.
  3. Use a scalp scrub.
  4. Try a DIY scalp oil treatment.
  5. Use tea tree oil.
  6. Do an apple cider vinegar rinse.
  7. Try witch hazel.

Does baking soda remove buildup on hair?

One of the biggest benefits of using baking soda in your hair is that it removes buildup: According to Guanche, "Some benefits of using baking soda for the hair include leaving it clean, shiny, and soft because the baking soda helps remove buildup of oils, soaps, and any remnants of hair care products.

31 related questions found

What happens when you mix baking soda and shampoo?

First of all, it's the perfect product for people with dry, scaly scalps. You see, shampoo strips your hair of all its natural oils, encouraging your scalp to produce too much oil. But baking soda gently balances out your pH levels instead, and your scalp learns to produce just the right amount of oil.

How long should I leave baking soda in my hair?

Using baking soda alone

Add enough water to achieve a medium-thick consistency. It shouldn't be too thick or too watery. Next, gently massage the baking soda paste over your hair. Allowed the mixture to sit on your hair for 15 to 20 minutes, and then rinse or wash your hair.

How do you clarify your scalp at home?

Simply mix 1 part of lemon juice to 3 parts of water, massage it onto your scalp and rinse to get rid of all that hardened sebum and impurities. If you have some serious buildup, you may have to leave it on your scalp a little longer. The citric acid works as a natural clarifying agent for removing buildup.

How do you exfoliate your scalp?

Scalp exfoliation is usually performed on wet, just-shampooed hair. After you comb through and separate sections of your hair, you can apply the scrub with your fingertips. You can also use a brush or glove designed for exfoliation. If you're using a physical exfoliant, rubbing in a gentle, circular motion can help.

How do I remove buildup from my hair without washing it?

Apple cider vinegar

  1. Simply mix 2 or 3 tbsp. of apple cider vinegar with water.
  2. Pour the mixture over your head in the shower.
  3. Let it sit for 2 to 3 minutes.
  4. Rinse out, and you're done!

What happens if you put vinegar and baking soda in your hair?

Remember, baking soda has a very high pH, which opens the hair cuticle. "Apple cider vinegar will help seal the hair cuticle to defrizz hair and give it shine," explains Denniston. "[It] will also rebalance the scalp's pH after using baking soda, helping the scalp stay moisturized and protected."

Does baking soda open hair follicles?

Simple baking soda may help open roots. Add two teaspoons (10 mL) of baking soda to a cup (240 mL) of lukewarm water and then stir until the baking soda dissolves. Pour the mixture over your head and work it into your scalp using your fingertips. Let it sit for a couple of minutes before rinsing.

How does baking soda fix severely damaged hair?

Now that you've found a great baking soda shampoo alternative, I have some extra tips on how to fix baking soda damaged hair.
...
This can include:

  1. Regular hot oil treatments. I have a post on DIY hair oil you can use every day if need be. ...
  2. Wash your hair as little as possible. ...
  3. Promote hair growth.

Why does my scalp get crusty?

Dry scalp: Dry scalp is the most common cause of scabs on the scalp, often due to excessive hair washing, high mineral content in water, very hot water showers, harsh shampoos, and high heat treatments.

How can I detox my scalp naturally?

Your hair needs a detox too! Here are 6 expert-backed home remedies to detoxify your scalp & mane

  1. Apply aloe vera gel on your scalp. ...
  2. Rinse your hair with apple cider vinegar. ...
  3. Cleanse with a baking soda solution. ...
  4. Nourish your scalp with honey. ...
  5. Treat your scalp with lemon and cucumber. ...
  6. Eat a proper diet for the best results.

How can I clean my scalp naturally?

As oil is secreted from the scalp on a daily basis due to which your hair and scalp get coated with dirt and grime. In addition to that all the chemical products that you use on your scalp are toxic as well.
...
Home remedies for clean scalp

  1. Apple Cider Vinegar. ...
  2. Honey. ...
  3. Aloe Vera Gel. ...
  4. Lemon And Cucumber. ...
  5. Baking soda.

How do you remove buildup from hair?

Baking soda is another multi-purpose, everyday item that's a natural way to remove product buildup from your hair. Mix a tablespoon of baking soda into a regular amount of shampoo, then wash and rinse your hair normally. Alternatively, try rubbing baking soda directly onto your wet hair and scalp.

Is baking soda good for itchy scalp?

Baking Soda

It has antibacterial and anti-fungal properties that kills pathogens responsible for causing skin issues that lead to itchiness. It also neutralises your scalp's pH level. To get rid of itchiness in the scalp, you need to mix 2-3 tablespoons of baking soda in water and apply the paste on your scalp.

How often can I use baking soda on my hair?

Limit it to once or twice a month.

You shouldn't replace your normal shampoo with a baking soda shampoo; since baking soda is much stronger than other cleansers, using it regularly will hurt your hair and scalp and give you dry, unhappy hair. It's better for removing excessive oils or product buildup.

Does baking soda and shampoo damage hair?

Research suggests that using products a hair product on the scalp with a pH above 5.5 might be damaging. Baking soda has a pH of about 9, which is considered a strong alkali or base, and far more alkaline than commercial shampoos.

How can I reactivate my hair follicles?

One very good medication to reactivate dormant hair follicles is minoxidil. Applied regularly to the scalp, minoxidil can re-grow hair that has completely stopped growing. The only caveat is that once you start taking it, you'll have to keep taking it indefinitely.

What does build up on hair look like?

What Does Product Buildup Look Like? Product buildup in hair looks like blobs, white film, or chunky flakes that stick to the strands like tiny lumps. You can see product buildup when you part your hair in sections and rub your fingers through the parting. It's the scaly film under your fingernails.

What is the healthiest way to wash your hair?

Here are some basic steps you should follow.

  1. Wet your hair thoroughly. Don't jump straight into applying your shampoo. ...
  2. Apply your shampoo. Remember: This shampoo should be the right kind for your hair. ...
  3. Go easy on your scalp. ...
  4. Rinse thoroughly. ...
  5. Apply conditioner. ...
  6. Rinse again. ...
  7. Dry.

What happens if you don't wash your hair for 6 months?

Prolonged periods of not washing can cause cause buildup on the scalp, damaging hair and even impeding its ability to grow, Lamb said. Grime from dirt, oil and hair product can show up within four to six days for people with finer, straighter hair.

How often should I wash thinning hair?

If you are experiencing thinning or balding, our Bosley experts recommend washing no more than three times a week.