Fast, Secure Delivery - from £1.99 / Free £50+

  Go Zero Waste Today -  000's of Quality Products

  Free Returns - 28 Day No Quibble Guarantee

 Fast, Secure Delivery
From £1.99 / Free £50+

Go Zero Waste Today
000's of Quality Products

 Free Returns
28 Day No Quibble Guarantee

 Fast, Secure Delivery - from £1.99 / Free £50+

 Go Zero Waste Today -  000's of Quality Products

 Free Returns - 28 Day No Quibble Guarantee

7 Best Bar Shampoo for Gray Hair, Be Gray & Gorgeous

Best Bar Shampoo for Gray Hair

The best bar shampoo for gray hair is made from natural ingredients that neutralize yellow/brassy tones and are good value for money. Shampoo bars for gray hair can be enhanced further by being vegan and cruelty-free as well as by using zero-waste packaging,

If you’re looking for the best bar shampoo for gray hair then our review is exactly what you are looking for.

What We Look for in a Shampoo Bar for Gray Hair

We reviewed 7 of the best shampoo bars for gray hair and scored them against the following criteria:

Quality: Is the soap good quality?

Value: Is the shampoo bar value for money given its quality and size?

Effectiveness: How well does it work, does it give a nice lather, smell good, clean well and most importantly address concerns around gray hair?

We also point out other values such as whether the shampoo bar is vegan and cruelty-free, how big the bar is and what are its ingredients.

I believe these are all things that go into a buying decision when shopping for shampoo bars.

Our Top Picks for the Best Bar Shampoo for Gray Hair

Here’s a quick comparison table to easily review the scores of the 7 best bar shampoo for gray hair – with links to the product detail:

Shampoo BarBrandRating
Ethique Tone It Down Shampoo Bar for Gray HairEthique9.5/10
Kitsch Purple Shampoo Bar Soap for Blonde, Grey & White HairKitsch9.4/10
B.O.B BARS OVER BOTTLES Shampoo Bar for Grey/White HairB.O.B9.2/10
Arista Purple Shampoo Bar for Gray HairArista8.8/10
Naturel Toning Purple Shampoo and Conditioner Bar SetNaturel8.4/10
ARENCIA Biotin Shampoo Bar for Gray HairArencia8.1/10
Mane Gray Reverse Shampoo BarMane7.8/10
Comparison Table – 7 of the Best Shampoo Bars for Gray Hair

How I Tested the Shampoo Bars

Selecting the right shampoo bar for gray hair involves careful consideration of various factors, such as cleansing efficiency, color preservation, and overall hair health.

In order to provide you with accurate and reliable recommendations, I conducted a comprehensive evaluation of several popular shampoo bars specifically formulated for gray hair.

Here’s a breakdown of the methodology I employed during the testing process:

  1. Ingredient Analysis: Before testing any shampoo bar, I meticulously examined the ingredient lists to identify key components known for their efficacy in enhancing gray hair. Ingredients like violet pigments, aloe vera, chamomile, and argan oil were prioritized for their moisturizing and color-preserving properties.
  2. Cleansing Power: One of the essential criteria for a quality shampoo bar is its ability to cleanse effectively without stripping natural oils. I evaluated each product’s lathering capability, residue-free rinsing, and the overall feeling of cleanliness after use.
  3. Color Preservation: Gray hair is susceptible to yellowing or dullness, so maintaining the silver or gray hue is crucial. I assessed how well each shampoo bar preserved and enhanced the natural color of gray hair, paying attention to any improvements in vibrancy and shine.
  4. Moisturizing and Nourishing Effects: Gray hair tends to be drier and more porous than pigmented hair, making hydration a key concern. I gauged the moisturizing and nourishing effects of each shampoo bar, noting whether the products left hair feeling soft, manageable, and adequately hydrated.
  5. Fragrance and Sensitivity: The sensory experience of using a shampoo bar is important for many users. I considered the fragrance of each product, ensuring it was pleasant without being overpowering. Additionally, I paid attention to any signs of sensitivity or irritation, making sure the shampoo bars were suitable for various scalp types.
  6. Packaging and Sustainability: Environmental impact is a growing concern, and many consumers are shifting towards eco-friendly options. I evaluated the packaging of each shampoo bar, giving preference to those with minimal or plastic-free packaging and a commitment to sustainable practices.
  7. Long-Term Effects: To provide a comprehensive assessment, I used each shampoo bar over an extended period, monitoring any long-term effects on hair health, color vibrancy, and overall satisfaction. This allowed me to observe the sustained benefits and potential drawbacks of each product.

By employing this thorough testing methodology, I aimed to offer you well-informed recommendations for the best shampoo bars tailored to the unique needs of gray hair.

The following sections will highlight the top performers based on the criteria outlined above, ensuring you can make an informed decision for your gray hair care routine.


Ethique Tone It Down Shampoo Bar for Gray Hair

Our Rating: 9.5/10

Ethique Tone It Down - Brightening Solid Sulfate Free Purple Shampoo Bar for Blonde and Silver Hair - Vegan, Eco-Friendly, Plastic-Free, Cruelty-Free,3.88 oz (Pack of 1)

Volume: 3.88 oz | Type of hair: Blonde, bleached, silver, platinum | Ingredients: Purple mineral pigments, beetroot powder, babassu oil, cocoa butter | Feature: Counteracts yellow or orange tones​

What I Liked (Pros)What I Didn’t Like (Cons)
– Leaves a gorgeous cool tone
– Compostable packaging
– Completely plastic-free packaging​
– Can be drying for those with dry or damaged hair​
Pros and Cons of Ethique Tone It Down Shampoo Bar for Gray Hair

The Ethique Tone It Down – Brightening Solid Sulfate Free Purple Shampoo Bar is an absolute game changer for blondes and those with silver hair.

It not only provides a deep cleanse but also neutralizes any unwanted brassiness, leaving the hair with a gorgeous cool tone.

What sets this product apart for me is its commitment to being eco-friendly and cruelty-free.

Made with vegan ingredients and packaged in a plastic-free container, it aligns perfectly with my values.

The 3.88 oz bar lasts surprisingly long and lathers up beautifully, making it a great investment.

Overall, this shampoo bar is a must-have for anyone looking to maintain and enhance their blonde or silver hair.​

And if you’re committed to living a more eco-friendly lifestyle or you just want an alternative to the big plastic bottles of purple shampoo, we’d highly recommend you give the Ethique Tone It Down Purple Shampoo a try.

It works brilliantly, it smells great and it leaves your hair looking clean and bright.​

Our Ratings:
Quality 9.2/10 | Value 9.410 | Effectiveness 9.8/10

Buy on Amazon

Kitsch Purple Shampoo Bar Soap for Blonde, Grey & White Hair

Our Rating: 9.4/10

Kitsch Purple Toning Shampoo Bar for Color Treated & Grey Hair, Made in US, Toning Purple Bar Shampoo for Blonde, Grey & White Hair, Removes Brass & Yellow Undertones, Paraben Free, 3.2oz

Weight: 3.2oz | Hair Type: Color treated | Enriched: With Biotin | Aroma: Fresh

What I LikedWhat I Didn’t Like
– Eco-friendly, zero-waste packaging
– Perfect for travel
– Made in the US
– May stain hands​
Pros and Cons of Kitsch Purple Shampoo Bar Soap for Blonde, Grey & White Hair

The Kitsch Purple Shampoo Bar Soap is a must-have for anyone with blonde, grey, or white hair.

This purple shampoo bar is made in the US and is specifically designed to tone and remove brass and yellow undertones from treated, highlighted, and natural hair.

With a weight of 3.2 ounces, this shampoo bar is compact and perfect for travel.

When I checked all the reviews, customers who have used the Kitsch Purple Shampoo Bar Soap rave about the results they have seen.

Not only does it effectively neutralize unwanted tones, but it also leaves their hair feeling clean and soft.

The fact that it is made in the US is an added bonus for those who prioritize supporting local brands.

Overall, the Kitsch Purple Shampoo Bar Soap is a reliable and effective option for maintaining beautiful blonde, grey, or white hair.​

Our Ratings:
Quality 9.2/10 | Value 9.3/10 | Effectiveness 9.7/10

Buy on Amazon

B.O.B BARS OVER BOTTLES Shampoo Bar for Grey/White Hair

Our Rating: 9.2/10

B.O.B Bars Over Bottles Purple Toning Solid Shampoo Bar for Blond, Highlighted and Grey/White Hair|Neutralizing Brassy Tones|Unwanted Yellow Undertones,Daily Use|Natural,Vegan|Plastic Free|Zero Waste

Gender: Unisex | Number of Items: 1 | For: white, highlighted, blonde, grey hair | Shampoo Type: Solid Bar | Hair Shine: Yes | Natural Ingredients: Yes | Feature: Neutralizing Yellow Undertones​

What I LikedWhat I Didn’t Like
– Neutralizes yellow/brassy tones
– Plastic-free packaging
– Vegan and cruelty-free
– Not ideal for curly hair
Pros and Cons of B.O.B BARS OVER BOTTLES Shampoo Bar for Grey/White Hair

The B.O.B BARS OVER BOTTLES Purple Toning Solid Shampoo Bar for Blond, Highlighted and Grey/White Hair is perfect for anyone dealing with brassy tones or unwanted yellow undertones in their hair.

This daily use shampoo bar is made with natural and vegan ingredients, making it a great choice for those who are conscious about what they put on their hair and in the environment.

The fact that it is plastic-free and zero waste is also a huge plus.

The purple toning effect of this shampoo bar is gentle yet effective.

After using it for a few weeks, I noticed a significant reduction in brassiness and my hair looked brighter and more vibrant.

Plus, the bar lathers up nicely and has a pleasant scent.

With its sustainable packaging and gentle, brass-busting formula, there’s a lot to love about the B.O.B BARS OVER BOTTLES Purple Toning Shampoo Bar.

It’s worth giving it a try if you’re looking for a way to keep your color looking fresh and bright between appointments.​

Overall, I highly recommend the B.O.B BARS OVER BOTTLES Purple Toning Solid Shampoo Bar for anyone looking to maintain beautiful, toned hair while being mindful of the planet.​

Our Ratings:
Quality 9.2/10 | Value 9.1/10 | Effectiveness 9.4/10

Buy on Amazon

Arista Purple Shampoo Bar for Gray Hair

Our Rating: 8.8/10

Arista Purple Shampoo Bar | Solid Shampoo Bar | Amla Fruit Powder, Purple Toner & Castor Oil Shampoo Bar | Shampoo Bar Moisturizing | Purple Shampoo for Grey Hair

For hair type: All | Ingredients: Nutrient-rich Castor Oil and Amla Fruit Powder | Material Type: Sulfate Free | Age Range: Adult | Brand: Arista ayurveda | Hues: Blonde, silver, or grey​

What I LikedWhat I Didn’t Like
– Eco-friendly and zero-waste
– Great lather
– Comes in a reusable storage tin
– Can be tricky to apply​
Pros and Cons of Arista Purple Shampoo Bar for Gray Hair

The Arista Purple Shampoo Bar is an excellent addition to anyone’s hair care routine.

With its unique combination of Amla Fruit Powder, Purple Toner, and Castor Oil, this shampoo bar is not only effective in cleansing the hair but also in maintaining its moisture.

It is specifically formulated for grey hair, making it perfect for those who want to keep their grey hair looking vibrant and radiant.

One of the standout features of the Arista Purple Shampoo Bar is its solid form, making it a great option for those who are looking to reduce their plastic waste.

The bar lathers up easily and leaves the hair feeling clean and revitalized.

The pleasant fragrance ensures that you’ll enjoy the pampering experience every time you use it.

If you’re looking for an environmentally friendly and vegan purple shampoo solution, this bar would be a good fit.

We were happy with the way it revived our hair color and left it looking super shiny and fresh.​

Overall, the Arista Purple Shampoo Bar is a top-notch choice for those with grey hair who are seeking a deep-cleansing, moisturizing, and eco-friendly shampoo option.

Give it a try and see the difference it can make in your hair!​

Our Ratings:
Quality 8.4/10 | Value 9/10 | Effectiveness 9.1/10

Buy on Amazon

Naturel Toning Purple Shampoo and Conditioner Bar Set

Our Rating: 8.4/10

Naturel Toning Purple Shampoo and Conditioner Bar Set with Biotin for Blonde or Grey Hair, Shampoo Bar and Conditioner Bar for Blonde or Grey Hair, Vegan and Cruelty Free, Zero Waste, Made in USA

Product type: Bar | Package size: 2 | Color protection: Yes | Feature: Neutralize and tone down brassiness | Hair type: Aging, Chemically Treated, Normal, Damaged, Straight | Ingredients: Biotin, Almond

What I LikedWhat I Didn’t Like
– Helps to tone down brassiness
– Vegan and cruelty-free
– Made in the US
– Can be messy when it gets wet​
Pros and Cons of Naturel Toning Purple Shampoo and Conditioner Bar Set

The Naturel Toning Purple Shampoo and Conditioner Bar Set is a game changer for those with blonde or grey hair.

This vegan and cruelty-free set not only helps to tone down brassiness but also nourishes and strengthens the hair with the added benefits of biotin.

The fact that it comes in a bar form makes it even more desirable, as it is not only zero waste but also incredibly convenient for travel.

Made in the USA, this product is a testament to its quality and effectiveness.

Overall, the Naturel Toning Purple Shampoo and Conditioner Bar Set is a must-have for anyone looking to maintain gorgeous, vibrant hair.​

The Naturél Bars are chic, functional (and won’t leak in your handbag) and they have minimal environmental impact.

They’re also surprisingly luxe for a solid shampoo and conditioner pair, so they’re well worth trying on all fronts.

Our Ratings:
Quality 8.3/10 | Value 8.1/10 | Effectiveness 8.9/10

Buy on Amazon

ARENCIA Biotin Shampoo Bar for Gray Hair

Our Rating: 8.1/10

ARENCIA Night Shadow Biotin Shampoo Bar for Regrowth & Hair loss, Darkening, Gray Hair | Strengthening & Volumizing | Normal to Oily Hair | Vegan, Natural, pH balanced, Sulfate free

Hair Type: All, Oily, Aging, Normal, Thin, Gray | Form: Bar | Ingredients: 100% Vegan, Natural | Age: all age | Scent: Sandalwood​

What I LikedWhat I Didn’t Like
– Provides a youthful and vibrant look
– Leaves hair feeling stronger & thicker
– 100% vegan and cruelty-free
– May take time to adjust to bar format
Pros and Cons of ARENCIA Biotin Shampoo Bar for Gray Hair

The ARENCIA Night Shadow Biotin Shampoo Bar is specifically formulated for regrowth and hair loss, making it perfect for those looking to combat thinning hair.

Not only does it promote hair regrowth, but it also works wonders in darkening gray hair, providing a youthful and vibrant look.

One of the standout features of this shampoo bar is its strengthening and volumizing properties.

It leaves the hair feeling stronger, thicker, and more voluminous.

Additionally, it is suitable for normal to oily hair types, making it versatile for a wide range of users.

The ARENCIA Night Shadow Biotin Shampoo Bar stands out from its competition due to its natural and vegan formula. It is pH balanced, sulfate-free, and free from any harsh chemicals, ensuring a gentle yet effective cleansing experience.

Overall, the ARENCIA Night Shadow Biotin Shampoo Bar is a must-try for anyone looking to improve the health and appearance of their hair.

It ticks all the boxes for a quality shampoo, and its natural and vegan formula make it a standout choice in the market.​

Our Ratings:
Quality 7.9/10 | Value 8.1/10 | Effectiveness 8.2/10

Buy on Amazon

Mane Gray Reverse Shampoo Bar

Our Rating: 7.8/10

Black Soap for Gray Hair (60g) - Reverse Shampoo Bar For Men - Hair Darkening Shampoo Bar - Gray Hair Reverse - Shampoo Bar for Stronger & Shinier Hair - Gray Reverse Bar Soap - Hair Soap Bar

Hair type: All | Weight: 1 Pack | Formula: Natural Ingredients | Scalp hydration: Yes | Color: Gray | Scent: Unscented

What I LikedWhat I Didn’t Like
– Help to reverses gray hair
– Melanin-promoting ingredients
Saves time and money​
– Not as effective for all grays
Pros and Cons of Mane Gray Reverse Shampoo Bar

I have been using the Superior Mane Gray Reverse Shampoo Bar for a week now, and I am already seeing noticeable improvements in the strength, smoothness, and shine of my hair.

The inclusion of bamboo charcoal and shea butter has made a significant difference in making my hair thicker and fuller, while also providing deep hydration to both my scalp and hair.

What I love the most about this shampoo bar is its convenience.

It lathers up easily and rinses out effortlessly, leaving no residue behind.

The fact that it comes in a bar form is not only eco-friendly but also perfect for travel.

I also appreciate that it is suitable for all hair types, as my hair tends to be on the drier side, and this shampoo bar has really helped in keeping my hair hydrated without weighing it down.

Overall, I highly recommend the Superior Mane Gray Reverse Shampoo Bar to anyone looking for a superior hair care experience.

Our Ratings:
Quality 7.7/10 | Value 8.1/10 | Effectiveness 7.6/10

Buy on Amazon

This concludes my round-up of my 7 best bar shampoo for gray hair.

I do hope this review has gone some way to helping you make an informed decision.

Good luck and remember, be fresh, clean and green!

Join Our FREE 7-Day "Journey to Zero Waste" Email Course

Our 7-Day "Journey to Zero Waste" email course helps you take the first steps towards a greener lifestyle. Each day, you’ll get easy, actionable tips right in your inbox.

You'll also receive our FREE guide, "53 Eco-Friendly Swaps That You Can Start Today." where you can discover simple changes that make a big environmental impact!

We'll also add you to our mailing list where you'll receive awesome offers, tips and advice only available to our customers and subscribers

For Instant Access complete the form below



    Leave a Reply

    Your email address will not be published. Required fields are marked *