Does Mane Gray Reverse Bar Work? My Review 2024

by Shopify API on Jul 06, 2024


The hair-darkening shampoo bar is a new product that has recently hit the market. The shampoo bar is said to whiten hair and prevent hair loss.

There is absolutely no doubt that this sounds like something that would be highly beneficial for many people. But does the Mane Gray shampoo bar really work?

Of course, to know more about this trending hair darkening shampoo bar, I had to try it myself.

I tested some brands that offer shampoo bars to see if they really work.

Now let's look at the excellent shampoo bar and what makes it so unique.

Does Mane Gray Reverse Bar Really Work? Here's What You Need to Know

How Does Mane Gray Reverse Bar Work?

As I researched Mane Gray Reverse Bar, I found that it claims to be a hair care product that can reverse gray hair and restore natural hair color. Mane Gray Reverse Bar contains natural ingredients such as Polygonum Multiflorum, Ginseng, and Angelica that are known for their hair-restoring properties.

The Polygonum Multiflorum, also known as He Shou Wu, is a traditional Chinese herb used to prevent graying of hair and promote hair growth. It is believed to stimulate the production of melanin, the pigment that gives hair its color.

Ginseng is another natural ingredient in Mane Gray Reverse Bar that is known to improve blood circulation in the scalp, which can promote hair growth and prevent hair loss. Ginseng also contains antioxidants that can protect hair from damage caused by free radicals.

Angelica is believed to nourish and strengthen hair follicles, which can prevent hair loss and promote healthy hair growth. It is also known for its anti-inflammatory properties, which can soothe an irritated scalp.

Overall, Mane Gray Reverse Bar claims to work by nourishing and strengthening hair follicles, promoting healthy hair growth, and stimulating the production of melanin to restore natural hair color. While there is no scientific evidence to support these claims, many users have reported positive results after using Mane Gray Reverse Bar.

Scientific Evidence Supporting Mane Gray Reverse Bar

I did some research on the Mane Gray Reverse Bar and found some scientific evidence that supports its effectiveness. Here are a few key points:

  • The Mane Gray Reverse Bar contains natural ingredients that have been shown to promote hair growth and reduce graying. For example, it contains biotin, which is a B-vitamin that is essential for healthy hair, and saw palmetto, which is a plant extract that has been shown to block the production of DHT, a hormone that can contribute to hair loss.
  • A study published in the Journal of Cosmetic Dermatology found that a combination of biotin and saw palmetto was effective in reducing hair loss and increasing hair density in men with androgenetic alopecia (male pattern baldness).
  • Another study published in the International Journal of Trichology found that a topical solution containing biotin and other natural ingredients (including saw palmetto) was effective in reducing hair loss and increasing hair growth in women with diffuse hair loss.
  • The Mane Gray Reverse Bar also contains other natural ingredients that have been shown to promote healthy hair, such as horsetail extract (which contains silica, a mineral that is important for hair growth) and nettle root extract (which can help to reduce inflammation in the scalp).

Overall, while there is no guarantee that the Mane Gray Reverse Bar will work for everyone, there is some scientific evidence to suggest that it may be effective in promoting hair growth and reducing graying.

User Experiences With Mane Gray Reverse Bar

Positive Reviews

I tried Mane Gray Reverse Bar and I was pleasantly surprised with the results. My gray hair was noticeably reduced after just a few uses. I found the product easy to use and it didn't leave any residue or unpleasant odor. I also noticed that my hair felt softer and more manageable after using the product.

Another user said that they had been using Mane Gray Reverse Bar for several months and had seen a significant reduction in their gray hair. They also noted that their hair felt healthier and stronger after using the product. They recommended the product to anyone looking for a natural way to reduce gray hair.

Negative Reviews

However, not all users had a positive experience with Mane Gray Reverse Bar. One user complained that the product didn't work at all for them and that it was a waste of money. They also noted that the product left their hair feeling dry and brittle.

Another user said that they experienced some scalp irritation after using Mane Gray Reverse Bar. They noted that the irritation was mild and went away after a few hours, but they were still hesitant to continue using the product.

Overall, it seems that Mane Gray Reverse Bar has worked well for some users, while others have had less success with the product. As with any hair care product, it's important to do your own research and consider your individual needs and concerns before deciding to try Mane Gray Reverse Bar.

Benefits of Using Mane Gray Reverse Bar

As someone who has used Mane Gray Reverse Bar for a while now, I can confidently say that there are several benefits to using this product. Here are some of the advantages I have experienced:

1. Natural Gray Hair Color

One of the most significant benefits of using Mane Gray Reverse Bar is that it helps to restore your natural gray hair color. It does not cover your hair with artificial colors that look fake. Instead, it works to reverse the graying process by nourishing your hair with natural ingredients. With regular use, you will notice that your hair is gradually turning back to its natural gray color.

2. Easy to Use

Another benefit of Mane Gray Reverse Bar is that it is effortless to use. You don't need to spend hours in the salon or follow complicated instructions. All you need to do is wet your hair, lather the bar, and massage it into your scalp and hair. Rinse thoroughly, and you're done. It's that simple.

3. Saves Time and Money

Using Mane Gray Reverse Bar is also a cost-effective way to maintain your natural gray hair color. Unlike traditional hair dyes that need to be reapplied every few weeks, this product only needs to be used a few times a week. It saves you time and money that you would otherwise spend on frequent salon visits.

4. Nourishes Hair

Finally, Mane Gray Reverse Bar is an excellent product for nourishing your hair. It contains natural ingredients like coconut oil, argan oil, and shea butter, which help to moisturize and strengthen your hair. With regular use, you will notice that your hair looks and feels healthier.

In conclusion, Mane Gray Reverse Bar is an effective and easy-to-use product that offers several benefits. It helps to restore your natural gray hair color, saves you time and money, and nourishes your hair.

Possible Side Effects

I did some research to find out if Mane Gray Reverse Bar has any possible side effects. Here's what I found:

  • According to the manufacturer, Mane Gray Reverse Bar is made with natural ingredients and is safe for all hair types.
  • However, some people may experience an allergic reaction to one or more of the ingredients in the product. If you experience any itching, redness, or swelling after using Mane Gray Reverse Bar, stop using it immediately and consult your doctor.
  • Mane Gray Reverse Bar is not recommended for pregnant or breastfeeding women. It's always a good idea to consult your doctor before using any new product if you're pregnant or breastfeeding.
  • If you get Mane Gray Reverse Bar in your eyes, rinse them thoroughly with water. If irritation persists, seek medical attention.

Overall, Mane Gray Reverse Bar appears to be a safe and effective product for reversing gray hair. However, it's always a good idea to be aware of any possible side effects and to consult your doctor if you have any concerns.

Where to Buy Mane Gray Reverse Bar

If you're interested in trying out the Mane Gray Reverse Bar, you might be wondering where you can purchase it. After doing some research, I found a few places where you can buy this product.

  1. Amazon: Mane Gray Reverse Bar is available on Amazon. You can purchase a single bar or a pack of multiple bars. Amazon also offers free shipping for Prime members.
  2. Walmart: Mane Gray Reverse Bar is also available on Walmart's website. You can purchase a single bar or a pack of multiple bars. Walmart offers free two-day shipping on orders over $35.
  3. Mane Gray's website: You can also purchase the Mane Gray Reverse Bar directly from their website. They offer free shipping on orders over $50.

Before making a purchase, make sure to read reviews and do your research on the seller to ensure you're getting a legitimate product. It's also important to note that results may vary and the Mane Gray Reverse Bar may not work for everyone.

Do Hair Darkening Shampoo Bars Work?

Hair Darkening Shampoo bars do work in general. They are a quick and effective way to hide gray hair without causing any harm.

I tried a hair darkening shampoo bar for about a month and a half, and they work. I see less gray strands on my hair. However, they don't last as well as permanent dyes.

Do hair-darkening shampoo bars work

Of course there are some naysayers as shown below

amazon review

Who Is It Useful For?

For those who wish to maintain their hair's color without dye, the best hair darkening shampoos for you are the ones that do. The product can be used by women who conceal the first few gray hairs. This shampoo is excellent for people with other hair types as it doesn't harm hair and can restore the color of light or dyed hair.

Redheads can darken their hair with shampoo containing copper and red hues pigments. This will preserve the color. To counteract the orange tones on your wires, use shampoos already for blondes.

But if you consider buying others, you can refer to our top best shampoo and conditioner.

Other Hair Darkening Shampoo Bars Review

There are tons of hair darkening shampoo bars you can find online or in physical stores. To help you choose which brand to buy, I have listed three of the best hair darkening shampoo bars.

Wuerjo Hair Darkening Shampoo Bar Natural Organic Conditioner and Maintenance (From Amazon) 

Best Darkening Shampoo Bar for Grey hair

This hair darkening shampoo has more than 2,000 reviews on Amazon. It claims to naturally restore the color of your hair as it is formulated with 100% organic herbs. 

Hair Darkening Shampoo Bar

This shampoo bar is also non-toxic and chemical-free, which is safer than traditional shampoo.

The ingredients of this shampoo bar also help in making your hair shiny and healthy. 

PURC Polygonum Shampoo Bar

Top Pick Hair Darkening Shampoo Bar

This #1 best-selling shampoo bar is a top choice for many shampoo bar fans. 

The shampoo bar contains polygonum oil which is responsible for darkening and thickening hair. It also has olive oil to strengthen your hair, keeping it away from dandruff and flakiness. 

PURC Polygonum Shampoo Bar

Another ingredient is Panax ginseng which helps restore your hair growth and strengthens follicles.

PURC Shampoo bar is a fan favorite as it is proven to bring back the original color of your hair without using dye. 

This product has tons of reviews on its website.

TruuMe Hair Darkening Shampoo Bar (From Amazon)

Natural Hair Darkening Shampoo Bar

The organic shampoo bars in this pack are made with high-quality, natural ingredients like shea butter, olive oil, ginger oil, and ginseng extract, leaving your hair looking and feeling great.

TruuMe Hair Shampoo Bar

With two different scent options – ginger and Polygonum – you can enjoy a refreshing, different experience every time you use them.

How Do Hair Darkening Shampoo Bars Work?

These hair-darkening shampoo bars work in the same way as other hair-darkening products. They coat your hair with plant pigments to give it a darker look.

Personally, I just rubbed the shampoo bar on my hair or I also tried rubbing on my palms and directly massaging it on my hair strands.

They sit on top of the hair rather than fully absorbed by it. This is why they gradually fade and wash away with every wash. On the other hand, permanent dyes remove some of your hair's natural colors and replace them with shades.

Hair-darkening shampoo bars work best if you leave the shampoo in your hair for some time. This allows the shampoo to absorb more plant pigments.

When I used this hair darkening shampoo bar, I left it on my hair for about 5 minutes before rinsing it.

How Do Hair-Darkening Shampoo Bars Work

The downside to hair-darkening shampoo bars for hair is their inability to last as long as permanent dyes. You will need to continue using them if you want your hair to remain darker.

Since I only tried it for about a month and a half, I stopped using it and I noticed that it fades quickly.

They are often made with natural ingredients and do not contain harsh chemicals like ammonia. They can be gentler on your hair.

This means that you don't need to be concerned about the long-term effects it has on your hair and scalp, even though you use it more frequently.

How does organic darkening shampoo bar work?

An organic darkening shampoo bar is perfect for restoring pigment cells while conditioning your hair with 100% organic herbs. These herbs are non-toxic and chemical-free, making them safer than traditional shampoos. 

The Polygonum ingredient provides an all-around hair care solution, keeping the scalp healthy and natural hair moist and shiny. It also prevents hair loss and the growth of grey hair while repairing hair follicles and keeping them healthy, soft, and shiny.

Who Uses A Hair-Darkening Shampoo Bar?

Individuals who want to keep their hair darkened without having to dye it are recommended to use hair darkening shampoo bars.

This shampoo bar can be used to cover white hairs temporarily. It blackens the hair but does not make it permanent.

Like me, I tried a hair darkening shampoo bar since I am one of those people who are having gray strands of hair already. I tested the product to see if it will really work to bring back the natural color of my hair.

You may also prefer the shampoo bar for people with different hair types. It is gentler on hair and can restore color to dull or damaged hair.

These shampoos are popular because they contain copper or red pigments. This makes them easy to use to keep their red hair color. Blondes should use products with more violet and bluish tones to counteract the orange tones in their hair.

Polygonum Shampoo Bar

Benefits Of Hair Darkening Shampoo Bar

It is easy to doubt the effectiveness of hair-darkening shampoo bars if you haven't tried it yet. These are some of the benefits of hair-darkening shampoo bars that might make you want to try them more.

  • Its effectiveness

You might be most interested in the fantastic bars. This bar can help you restore your natural hair color and beauty if you've been dealing with grey hairs in the past.

I saw results after a month and a half of using a hair darkening shampoo bar. But take note that effectiveness may vary depending on your hair type or the brand of shampoo bar you purchased.

You will see excellent reviews about the product, which will help you understand the customers' satisfaction. It is highly effective and straightforward to use.

  • It is clean

Customers are often concerned about the ingredients in products such as hair-darkening shampoo bars. You will be surprised to learn that the hair-darkening shampoo bars are made with only natural ingredients, which won't harm your hair. It is chemical-free and preservative-free.

The shampoo bar I bought is non-toxic and chemical-free, plus it has organic and natural ingredients which I love.

  • Affordable

The 21st-century values money in a big way. If they felt that a product was not worth the price, they wouldn't buy it. The price tag of hair-darkening shampoo bars is not a concern. For most generalized hair graying issues, shampoo bars are pretty affordable.

Benefits of hair darkening shampoo bar
  • It lasts longer

People today are more comfortable using liquid shampoos and soaps. The liquid shampoos can be more expensive and don't last as long as the shampoos. They are more effective and last longer than other shampoos.

  • Transport is easy

Your hair hygiene products such as shampoos and soaps are essential when you travel for business or pleasure. However, if you have a liquid shampoo bottle with you, many risk factors could be involved in transport.

You are now free from such miseries because the hair-darkening shampoo bar is here to save you. You don't have to answer anyone if you carry a hair-darkening cream bar.

  • You can do it yourself.

Many people spend a lot on liquid shampoos. These products are expensive because of the packaging and bottles. You don't have to worry about buying bars as you can make a shampoo bar yourself.

You can order a few ingredients online or at the local grocery store. The basic rules for making shampoo bars can be followed and used for up to a year.

  • It's green:

Natural ingredients are cheaper and more healthy than artificial ones. The hair-darkening shampoo bar can cause no harm unless you are allergic. Hair-darkening shampoo bars do not contain any harmful or preservative chemicals. It is all-natural and organic. Even the packages of the products are environment-friendly!

How long does hair darkening shampoo bar take to work?

There is no one-size-fits-all answer to how often you should use a shampoo bar, as it depends on your individual hair health, condition, and scalp type. 

Generally, it takes around 4-6 weeks for a shampoo bar to impact your scalp. After 2 weeks, you should start to notice some improved hair health.

A hair-darkening shampoo bar is a type of shampoo that is specifically made to darken one's hair color. 

It usually contains natural ingredients such as henna, black walnut hulls, indigo leaves, black tea, blackberry leaf extract, and activated charcoal. These organic ingredients are known to safely and effectively dye the hair a darker color. 

Many people use these bars to achieve a darker shade of hair, as they are often more gentle and less harsh than traditional hair dyes.

This shampoo uses oxygen from the air to activate the dye. The oxidation process that causes the hair's darkening takes place 10-15 minutes after application; however, smaller changes in hair color can still occur within the next 24 hours.

Disadvantages to Hair Darkening Shampoo Bar

Each product has its own set of disadvantages and advantages. In the previous section, you have read the benefits of using a hair-darkening Shampoo Bar. Now it's time to look at the drawbacks and benefits of using a hair-darkening shampoo bar.

  • Hair-darkening shampoo bars come in a concentrated form that might not suit you.
  • After a prolonged period of using liquid shampoo on your hair, switching to the hair-darkening shampoo bars can hurt your hair's follicles.
  • A hair-darkening shampoo can cause wax buildup in the hair follicles and other areas.
  • Oily hair, entangled hair, and dirty hair can all be problems.
  • Hair-darkening shampoo bars should not be used on people with curly hair or those who have thick hair.
Hair Darkening Shampoo Soap

How to Use Hair Darkening Shampoo Bar

Do you want to know how to get the best results from your hair-darkening shampoo bars? A hair-darkening shampoo can be used like any other shampoo.

This means you only need to shampoo your hair, wash it thoroughly, then shampoo it. Rinse it off after the indicated time. These tips will help you maximize the results of hair-darkening shampoo bars.

Step 1: Wet Your Hair First

Warm water should be used to wash your hair. This will create a frothy foam that will give you the best shampooing experience.

Step 2: Make a Lather.

Then, rinse the shampoo bar under the water and massage it between your hands to create foam. Massage the shampoo bar into your hair. You can massage the bar directly into your hair, or you could do it in another way.

Step 3: Apply It To Your Hair

It would help to massage the shampoo into your hair like you would with a regular liquid shampoo. You should pay more attention to the roots and scalp.

Step 4: Rinse Your Hair and Condition It.

After shampooing your hair, rinse it off thoroughly. After shampooing, apply your regular conditioner or a firm conditioner bar to your hair.

Step 5: Comb Your Hair

After shampooing and conditioning your hair:

  • Use a towel to dry it.
  • Use a wide-toothed comb to remove any knots.
  • Start at the ends and work your way up to the roots.

Step 6: Style

The last thing you need to do is blow-dry or air-dry your hair. Style it as usual. Now you have beautifully darkened hair.

Honest Hair Darkening Shampoo Bar Reviews

Hair Darkening Shampoo Bars have been a trend today as it was said to replace almost three bottles of ordinary shampoo. Moreover, it claims that it helps darken hair color.

However, reviews about hair-darkening shampoo bars have been a little critical regardless of their brand.

Many users report that the hair darkening shampoo bars don't do what it claims. One user said that he's been using a shampoo bar for a month but still doesn't see any results.

"This did not cover 1 strand of hair. So very disappointed. Don't waste your money."

Of course, despite all the negative reviews, there are also some positive reviews about hair darkening shampoo bars. I guess this will really depend on the brand.

Some users say that using it for 8 months made their hair soft and their gray hairs turn back to their original color.

"A miracle shampoo bar!

I have been using it for 8 months, and more and more grey hairs have turned back to the original dark brown!

Such a relief!

Smells pleasantly earthy, and there is great foam.

Absolutely recommended!"

As for me, it does work on my hair, but it will take time. Plus, I used a trusted hair-darkening shampoo bar to know it will be worth the money.

Hair Darkening Soap Bar: Questions

How Long Does A Hair Darkening Shampoo Bar Last?

To activate the dye, this shampoo uses oxygen from the atmosphere. After application, the oxidation process, which causes hair to darken, takes about 10-15 minutes. You may see a slight change in the hair's color within 24 hours.

How Often Should You Use Hair Darkening Shampoo Bars?

Wet your hair first. Use some water to make a lather. Massage the shampoo bar into your hair for a few seconds, then rinse off thoroughly. You can use it 3-7 times per week or depend on your preference.

How often should you use hair-darkening shampoo bars


The shampoo bar does work, and it is a huge time saver. If you want to get rid of the gray in your hair, you should use this. The shampoo bar can whiten your hair, help prevent hair loss, and you can save tons of money while doing it.

The hair-darkening shampoo bar is a great product. So I encourage you to get your own and use it. You will be happy you did. Leave a Reply.