Are Shampoo Bars Safe For Colored Hair? – Tips And 3 Suggestions

A hair care expert of your salon gives you a bar of shampoo and says it helps the color last longer. But you still wonder: Are shampoo bars safe for colored hair?

Not all shampoo bars are safe for colored hair. Safety is defined by the composition of the bar and the conditions of the scalp.

This article tells you which shampoo bars are safe for use, and what you need to do to maximize their effectiveness.

What Is A Shampoo Bar?

A Shampoo Bar Is A Solid Form Of Normal Shampoo
A Shampoo Bar Is A Solid Form Of Normal Shampoo

A shampoo bar is a solid form of normal shampoo. Producers usually made the bars from the most natural ingredients with the original formula.

Differing from the liquid commercial shampoo, it has fewer detergents than liquid options. If you overuse harmful chemicals, they can remove natural oils from your hair, resulting in parch and hair loss.

But, it builds up the soap scum on your scalp if you don’t rinse your hair carefully.


  • Solid form avoiding spilling
  • Natural ingredients
  • No plastic packaging
  • Multi-purpose
  • Budget-friendly


  • Short expiration
  • High risk of build-ups

Are Shampoo Bars Safe For Colored Hair?

You are into your colored hair and want to maintain your healthy hair. Shampoo bars are a fantastic assistance for you.

Made up of natural ingredients like aloe vera, castor oil, jojoba oil, etc., they are safer for your dyed hair. Even some shampoo bars are 100% vegan and organic. Thus, you can rest assured when washing your hair with a shampoo bar.

In other words, the shampoo bars are safe for colored hair in case you choose a suitable one. Superzero Shampoo Bar for Dry, Damaged, and Color Treated Frizzy Hair, for example.

The products that contain sulfates, salts, and detergents will not only strip hair color out but also damage your scalp. Sulfates are known as the strongest cleanser in shampoo to clean away dirt, oil and fade away from your hair dye as well.

The good news is that most shampoo bars are sulfate-free and have no harsh chemicals, but not all of them. That’s why we have a recommended list of trusted brands in the next part.

Besides, you should try the best you can to avoid using shampoo bars for dandruff. The clarifying property of this type of product is one of the crucial causes of color fading.

Shampoo Bars Safe For Colored Hair
Shampoo Bars Safe For Colored Hair

What Ingredients Are Safe For Colored Hair?

The optimum pH level of the scalp is 4.5. When dyed, this value slightly increases to open the hair cuticle because of Ammonia or Ethanolamine, turning your scalp to a more alkaline environment.

So, it is crucial to choose shampoo bars with a pH ranging between 4.5 to 5.5 to neutralize your scalp as a healthy environment for hair growth.

Besides, try your best to find an ideal product. It must include a natural list of ingredients, such as vegetable oils, organic elements, and vitamins B5.

We can see various natural factors in their ingredient list, such as:

  • Kind of vegetable oils: coconut oil, jojoba oil, palm oil, hemp seed oil, and bergamot oil. These elements provide the ultimate moisturizing effect to minimize dry hair – one of the culprits of color fading.
  • Kind of natural ingredients: shea butter, fair-trade cocoa butter, tapioca, cornstarch, the essence of fresh fruit, and other fatty acids.

All-natural ingredients will help repair oily hair, flaky scalp, and itchy scalp after exposure to harsh chemicals when dyeing.

Shampoo Bars Are Safe For Colored Hair
Shampoo Bars Made From All-Natural Ingredients Are Safe For Colored Hair

Things To Avoid When Caring For Colored Hair With Shampoo Bars

Before using, you need to keep in mind a few things:

  • Making sure that products are genuine from the top brand. You can consult on many official websites or stores.
  • Focusing on the ingredient list of products. A good shampoo bar for dyed hair must be sulfate-free and include natural ingredients.
  • Learning how to use a shampoo bar. We will talk about this in more detail in the following sections.
  • Wrapping and keeping shampoo bars in good condition.

Below are five things you should not do when washing your dyed hair with shampoo bars.

  • Do not wash your hair with hard water. The mineral deposits will affect the chemical properties of the color and change its shade. (In case you have to, read this to find out How to Successfully Use Shampoo Bars in Hard Water)
  • Only use the lather created by the shampoo bar to wash your hair.
  • Do not overlook parts of your head that are a little more difficult to reach, for example, the back of the neck or your lower head.
  • Rinse to ensure that you remove any extra shampoo. Otherwise, it would weigh your hair down once dried.

Harsh Chemicals Dull Your Color-Treated Hair
Harsh Chemicals Dull Your Color-Treated Hair

Besides that, after using bar shampoos you should:

  • Not put them in damp surroundings. Because it will cause mold that is not good for any hair.
  • Let it dry naturally with a fan. The heat of dryer hair will lift the outer layer of the cuticle, one common cause of color fading.

Because your colored hair is vulnerable, you need to take these dos and don’ts as carefully and gently as possible.

Which Is The Best Shampoo Bar For Colored Hair?

Most importantly, not all shampoo bars are safe for color-treated hair. You may have to go through a lot of experimentation to find a suitable product for the individual characteristics of your skin and hair.

We help introduce you to some of the most popular designs for dyed hair.

Love Beauty And Planet Murumuru Butter & Rose Sulfate-free

The product has Murumuru butter and organic coconut oil. They are the ideal ingredient for making your dyed hair soft and moist since color-treated hair is prone to dryness after chemical exposure. Most importantly, this product is sulfate-free.

Besides, the rose smell is a fancy of many beauty fanatics because it keeps your hair in the aroma for a long time. However, this vegan shampoo bar makes your hair a bit flat because of coconut oil.

Sweet & Sassy Shampoo And Condition Bars

When it comes to these Shampoo & Condition bars, they are 100% natural. Producers always try to make the product with the finest list of ingredients without Sodium Lauryl Sulfate to strip out your hair color.

The products also include jojoba oil to moisturize your hair and also double as a barrier to fight off chlorine in tap water or swimming pools – a factor causing color fading.

With a 100% natural list of ingredients, the shampoo bar is scalp-friendly. They ensure color retention for your treated hair. But, you may feel your hair is a bit tangled and hard to comb out.

Superzero Shampoo Bar For Dry, Damaged, And Color-treated Hair

This product is a vegan shampoo bar for dry, curly, and damaged hair after dyeing. It contains a 90% lower carbon footprint and a pH balanced.

When dyeing, your cuticle opens for the color to penetrate, thus letting moisture and nutrients escape and leaving a dry texture. SUPERZERO products are a good choice with moisturized oils like lavender, avocado. It helps your hair be softer and more manageable after one use.

How Do I Use A Shampoo Bar On Color-treated Hair?

Before thinking about how to wash your hair with a shampoo bar, you need to know that it is taboo to head straight to a shower 72 hours after coloring. This period is the minimum amount of time required to allow the dye to penetrate the hair.

Step-By-Step Guide For

You should follow these steps to have soft hair with a shampoo bar:

  • Step 1: Comb and wet hair with water.
  • Step 2: Lather a foam from the shampoo bar with your hands or natural sponge until getting the level of lather you want.
  • Step 3: Apply the lather to your hair and massage the scalp well in 1-2 minutes.
  • Step 4: Repeat massages the length and roots of your hair in a couple of minutes.
  • Step 5: Rinse your hair with clean and fresh water. Remember to use cold or lukewarm water to prevent stripping out the color. Then, use the conditioner bar or kinds of oils for moisturizing and enhancing hair growth.
  • Step 6: Keep your bars in a dry place. (Check out How to Store Shampoo Bars)

Wash The Hair With Shampoo Bars
Wash The Hair With Shampoo Bars


  • Before washing, you should use a mixture of baking soda and warm water to remove natural build-up.
  • Remember that the more foaming, the better for your hair.
  • Add color to your conditioner. Using a colored conditioner is a clever trick to prolong the time of color-treated hair. Many conditioner products available on the market today suggest shades that are similar to those of commercial dyes.
  • Lower the water temperature when washing your hair. Hot water will shorten the longevity of the color on your treated hair.
  • Wash your hair less often. Shampooing every day will strip your hair of its natural oils and color.
  • Never go out without a hat or a scarf covering your hair. Direct sunlight will fade the color.
  • Finally, pool water and seawater are also not good friends for dyed hair. Chlorine and salt destroy color molecules quickly. The best shampoos and conditioners for colored hair will not protect your hair in these circumstances either.

Final Words

So in your opinion, are shampoo bars safe for colored hair? The answer depends on the list of ingredients you choose and how reactive each hair type is.

Not to mention its cost-efficiency and compact size for easy portability, with an all-natural profile and no harsh chemicals like sulfate, do you think it’s worth a try? Your dyed hair will be thankful if you find the right shampoo bar.

There is one thing you need to keep in mind. It is necessary to combine washing your beautiful hair with the hair care routine we shared in detail above to give your colored hair comprehensive care.

Edna Feber

I’m Edna. I'm here to guide you about hair products and maintenance tips. You'll fine here product reviews regarding hair tools, hair color, hair care and more along with tips to keep your hair healthy!

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