To find the best strengthening, breakage-fighting, and scalp-supporting shampoos to help boost hair growth, we tried some of the highest-ranking products out there. Our testers rated how well each one performed, keeping in mind each formula’s ingredient list and ability to strengthen, thicken, and reduce damage. We then combined these results with our own research and expert recommendations to compile our list.
- 1 What to Look For in a Hair Growth Shampoo
- 2 What Is carbonic acid shampoo?
- 3 Ingredients In Carbonic Acid Shampoo
- 4 What Can DHT Do For Hair Loss?
- 5 Benefits Of Carbonic Acid Shampoo
- 6 How To Choose The Best Carbonic Acid Shampoo
- 7 How To Use Carbonic Acid Shampoo
- 8 How Long Does It Take To See Results?
- 9 Is carbonic acid shampoo good for your hair?
- 10 Can carbonic acid improve hair growth?
- 11 Is carbonic acid shampoo safe?
- 12 Does carbonic acid regrow hair?
- 13 What is the best over the counter shampoo for thinning hair?
- 14 What is carbonic acid hair treatment?
- 15 In respect to this, how often should you use carbonic acid shampoo?
- 16 Herein, does carbonic acid work for hair growth?
- 17 Just so, what does carbonic acid shampoo do for hair?
Let’s be honest, if you could find a shampoo that enhances your hair you’d buy it. So let’s talk carbonic acid shampoo. Thinning hair is something nobody wants to have to encounter, and we’ll be going over just how to slow this down as well as many other benefits of using carbonic acid shampoo and which ones are the best for your hair type.
Top 9 Best Carbonic Acid Shampoo of 2023: Top Picks
When it comes to trying a new shampoo, you want the best for your hair. Below we’ll go over some of the best carbonic acid shampoos on the market.
BEST OVERALL | KERASTASE |
BEST BUDGET | SIMFORT Carbonic Acid Shampoo |
BEST EXFOLIATING | Marc Anthony Grow Long Biotin Shampoo |
Most moisturizing | Carbonic Acid Shampoo for Men and Women |
Best for thinning hair (not bald spots) | Garnier Fructis Grow Strong Shampoo |
BEST FOR DANDRUFF | PURA D’OR Original Gold Label Anti |
BEST FOR FINE HAIR | Nanogen 7-in-1 Shampoo 240ml |
BEST FOR NATURAL HAIR | Fortero Carbonic Acid Shampoo |
BEST FOR THINNING HAIR | Oribe Serene Scalp Anti |
We’ve gone through and researched to help break down the pros and cons of using carbonic acid shampoo, the different uses, and how to use it. We’ll laso give you some of the best shampoo you can buy that has carbonic acid. Let’s get down to it!
1.BEST OVERALL:KERASTASE

What We Like
- Contains wheat protein
- Fortifies damaged hair
- Thickening
What We Don’t Like
- Expensive
Brittle hair? You can count on Kérastase Densifique to take your locks back from the brink. Thanks to a blend of wheat protein,ceramides,and gluco-peptides, this strengthening shampoo fortifies, plumps, and protects fragile hair.
2.BEST BUDGET:SIMFORT Carbonic Acid Shampoo

Pros:
- It helps with flaky scalp
- Improves scalp health by increasing blood flow and reviving dead follicles
- Unclogs scalp pores
- It helps with excess sebum production
Cons:
- Not a big bottle
Simfort uses Carbonc acid to help remove extra buildup in the pores on your scalp. On top of it being a DHT blocker, it does an excellent job of unclogging pores, which can make it difficult for hair follicles to produce hair effectively. Once the pores are free from sebum and build-up, oxygen enters the follicle, and blood flow increases. These two things are key when it comes to hair growth.
It comes out in a thick foam that is easy to spread throughout the hair. Although the packaging is quite small compared to usual shampoo bottles, a little bit goes a long way with this consistency.
3.BEST EXFOLIATING:Marc Anthony Grow Long Biotin Shampoo

What We Like
- Budget-friendly
- Stimulates scalp
- Helps prevent breakage
What We Don’t Like
- Doesn’t lather well
Marc Anthony Grow Long will only run you a few bucks, but it’s no slouch when it comes to promoting lustrous hair. Infused with ginseng and caffeine,this shampoo stimulates the scalp while giving brittle hair new life.
4.Most moisturizing:Carbonic Acid Shampoo for Men and Women

Pros:
- Comes in a large 16 oz. bottle
- It also has biotin, collagen, and tea tree oil
- Stimulates blood flow to the follicle
- It helps make the hair stronger
- Cruelty-Free
Cons:
- It does have some light sulfates
This shampoo has a plethora of scalp and hair-enhancing ingredients on top of carbonic acid, such as tea tree, collagen, and biotin. Tea tree revitalizes the scalps and sort of gives it a wake-up call to kick those follicles into action, as well as help with common skin problems, like dandruff and psoriasis. Collagen and biotin are both ingredients that help with aging hair and skin.
While this shampoo does address a few other concerns with the extra ingredients, like damaged hair and dry scalp, there is sulfate in it as well. This isn’t always a bad thing, especially if you suffer from extra build up on the scalp. Just make sure you are use a really good conditioner with it.
5.Best for thinning hair:Garnier Fructis Grow Strong Shampoo

What We Like
- Budget-friendly
- Contains protein
- Nice scent
What We Don’t Like
- Results aren’t dramatic
From the pharmacy aisle, we’re big fans of Garnier’s Grow Strong. This affordable shampoo contains fruit-derived proteins to fortify the hair shaft so it can grow long and healthy.
6.BEST FOR DANDRUFF:PURA D’OR Original Gold Label Anti

Pros:
- Has 17 DHT Blockers
- It helps add volume to your hair
- Improves the texture and shine of your hair
- No parabens, sulfates, or artificial preservatives
- Gluten-free and vegan
Cons:
- It doesn’t help with baldness
This shampoo has many ingredients with DHT blocking abilities, such as rosemary, pumpkin seed, and nettle leaf extract. If your hair is starting to thin due to DHT, this is definitely the product for you. However, if you are already noticing balding, this shampoo will not help you. It simply helps keep more hair from falling out.
This shampoo is also free from all the bad stuff that dries out your skin and hair, like sulfates and harsh preservatives. It is also gluten-free and vegan, so it is great for those with allergies.
7.BEST FOR FINE HAIR:Nanogen 7-in-1 Shampoo 240ml

What We Like
- Trichologist-recommended
- Contains salicylic acid and keratin
- Helps prevent shedding
What We Don’t Like
- Expensive
“Nanogen 7-in-1 Shampoo contains salicylic acid, glycerin, and hydrolyzed keratin,” says Holden. In other words, it checks all the boxes for boosting hair growth, exfoliating the scalp while strengthening the hair shaft.
In addition to cleansing and clearing away dead skin cells, this in-shower treatment works to moisturize, condition, and thicken your hair. What’s more, Nanogen calls on beta-glucan and plant-based antioxidants to fortify each strand and prevent shedding.
8.BEST FOR NATURAL HAIR:Fortero Carbonic Acid Shampoo

Pros:
- Focus on sebum production at the hair follicles
- It comes in a set with hair loss shampoo, conditioner, and serum
- It comes out in a foam that spreads well
- Free of sulfates, parabens, and harsh chemicals
- It gives your scalp a super fresh, clean feeling
Cons:
- Won’t work without the use of all three of their products
- The packaging tends to explode more often than it should
Fortero is very similar to Simfort in that its focus is to clean out blocked hair follicles so that blood flow can contain and oxygen may enter. Many people have said their scalp has never felt as clean as it has after using Fortero shampoo. The foamy shampoo spreads well and removes any build-up from excess sebum production and flaky scalps.
This product seems to work best when used with the whole set, including the shampoo, moisturizing conditioner, and minoxidil serum. Minoxidil is a medication that helps with hereditary baldness. Between the carbonic acid shampoo and serum, one of these ingredients is sure to help with your hair loss.
9.BEST FOR THINNING HAIR:Oribe Serene Scalp Anti

What We Like
- Contains salicylic acid and keratin
- Soothes irritation
What We Don’t Like
- Expensive
If you’re dealing with stunted hair growth due to a flaky scalp, Holden recommends a salicylic acid shampoo like ORIBE’s splurge-worthy Serene Scalp. In addition to gently removing buildup, it soothes irritation and calls on keratin to strengthen brittle hair.
What to Look For in a Hair Growth Shampoo
Scalp Support
When it comes to growth-boosting shampoos, board-certified dermatologist Dr. Dendy Engelman recommends looking for a product that supports overall health of your scalp in addition to your hair cuticle and hair follicle. “The scalp plays an important role in growing and maintaining strong, healthy hair,” she says. Therefore, you want to make sure it’s being properly nourished and treated for optimal hair health and growth.
Stimulating Ingredients
Dr. Engelman also stresses the importance of using a formula that contains stimulating ingredients, such as biotin, zinc, niacin, peppermint, and caffeine. “These stimulate blood flow to the scalp and nutrient delivery to the hair follicle, promoting hair growth,” she says. That said, the more of these ingredients a product contains, the better.
Conditioning and Moisturizing Ingredients
Hair that’s dry and stripped of its natural oils won’t lead to healthy growth, so Dr. Engelman recommends looking for products that also contain conditioning and moisturizing ingredients. “These are key because they keep the strands healthy and strong.”
What Is carbonic acid shampoo?
Multi-functional carbonic acid shampoo stimulates hair development by stimulating hair follicles. The enhanced oxygen supply, in particular, aids in activating hair cells, adding moisture, and the general activation of the hair structure.
Regular shampoo generates a little foam, while carbonic acid shampoo generates a thick foam that leaves you feeling refreshed thanks to the numerous bubbles created by the acid.
Carbonic acid is produced primarily via the reaction of CA with SB. Carbonic acid shampoo does not enable germs to live because CA is naturally acidic, and SB is alkaline. The pH balance of carbonic acid shampoo is 5.5, which is the most suited acidic form for the scalp and is also the safest.
Ingredients In Carbonic Acid Shampoo
You may ask yourself, “why would I buy a shampoo with acid in it?” Good question, but there’s no need to panic. The carbonic acid shampoo is made from only natural plant extracts.
It is free of any potentially dangerous chemical compounds. It’s a perfectly safe product that has passed several countries’ hygiene standards. It is undergoing extensive study and will eventually provide scalp-treating items to address hair loss. This shampoo’s plant components can help keep the scalp clean and healthy and give your hair a nice shine.
The other main component of carbonic acid shampoo is DHT blockers. Dihydrotestosterone (DHT) is a hormone that causes various hair loss. DHT is produced by a bodily enzyme that converts testosterone into a byproduct.
Hair loss can result when DHT receptors interact with the estrogen receptors in the follicle. Miniaturization occurs when the follicles shrink to the point that they no longer produce hair. People genetically predisposed to DHT shrinkage may have female and male pattern baldness as a result.
What Can DHT Do For Hair Loss?
The answer varies, as it does with many hair growth and hair loss products. Some things work for some people while others do not. DHT blocker ingredient shampoos, such as carbonic acid shampoos, may benefit you. Many people believe that DHT is the source of hereditary hair loss. Thus, limiting it may result in less hair loss and a better chance of future growth.
DHT must cause hair loss for a carbonic acid shampoo to be effective. If there are other reasons for hair loss, carbonic acid will not help keep your hair from thinning or help it grow. Unfortunately, you will not know if DHT is the cause until you use a DHT blocker, like carbonic acid shampo.
Benefits Of Carbonic Acid Shampoo
Including carbonic acid shampoo in your hair care routine is an excellent way to cure aging, chemically treated or damaged hair and get beautiful, healthy hair. Some other advantages are:
- Increase hair follicle blood circulation and heal damage.
- It aids in the unclogging of hair pores.
- Protect your hair from damage and enhance the texture of your hair.
- Provide nourishment to the scalp while also assisting it in remaining clean and fresh.
- Increase the volume and strength of your hair.
- Enhance the overall appearance and feel of your hair.
- Provide oxygen to the scalp.
- Maintain hair moisture to keep it healthy and lustrous.
- Reduce the amount of sebum produced.
- Can prevent hair loss
- It can help with dandruff.
How To Choose The Best Carbonic Acid Shampoo
There may be hundreds of carbonic acid shampoo options to choose from in the hair care aisle at your local drugstore or beauty store. So, which is the most effective? It’s difficult to pick a clear winner, but here are some pointers to help you pick the best shampoo.
Don’t Base Everything On The Price
Some individuals believe that more costly shampoos must be better. Why would it cost so much if it didn’t have to? Unfortunately, this isn’t always the case. While some pricey shampoos are incredibly effective, not all costly shampoos are. Don’t immediately go out and buy the most costly shampoo.
The Ingredients
Look for active ingredients like biotin, ketoconazole, rosemary, or collagen in the shampoo. You also want to ensure your shampoo is free from sulfate, paraben, phthalates, and silicone. If the active components aren’t singled out on the label, you can find them in the ingredient list on the back.
Try It Out
The only way to know for sure whether or not a shampoo will work for you is to test it. Most DHT-blocking shampoos are inexpensive, but many companies provide a 90-day money-back guarantee if you don’t notice results (though some specialists recommend using them for six months to see results).
How To Use Carbonic Acid Shampoo
Carbonic acid shampoos have the advantage of being able to be used in the same way as ordinary shampoo while yet being effective. Here are some more pointers on how to use this shampoo effectively:
- The shampoo is often only in touch with the scalp for a brief period of time, which might diminish its efficacy. Before rinsing, try keeping the shampoo in for a few minutes.
- Unless the label says otherwise, consider using the shampoo twice a day. If the label doesn’t say so, use it twice to ensure greater contact between the shampoo and your scalp.
- It should not be used more than twice a day. While using the shampoo twice a day might be advantageous, doing it more frequently might be drying. When it comes to design, sometimes less is more.
For more effective results, you may want to consider doubling up on the carbonic acid intake. You can do this by taking a daily supplement which you can find at any local drugstore. Most of these supplements also have active ingredients that block DHT production, which will help to promote hair growth.
How Long Does It Take To See Results?
Seeing results can depend on how frequently you use the shampoo. Sometimes it can take a few weeks; other times, it can take a few months to see your hair start to grow. If you’re looking for results depending on the cleanliness of your scalp, you will see them almost immediately.
Is carbonic acid shampoo good for your hair?
Answer: According to a new study by Kao Corporation, carbonic acid can promote the penetration of p-Toluenesulfonic acid (pTS salt) into hair and increase the results of styling treatments.
Can carbonic acid improve hair growth?
Answer: The blood flow will bring the dead pores back to life, allowing them to sprout hair once again! It encourages both buried and new hair to grow extraordinarily quickly.
Is carbonic acid shampoo safe?
Answer: Carbonic acid shampoo aids in the removal of oil and grime from the scalp. There are no hazardous chemicals in the product. The shampoo is manufactured with natural ingredients. The shampoo promises to help men with hair loss.
Does carbonic acid regrow hair?
When you use carbonic acid, it breaks up sebum deposits, improves blood circulation, and helps your dead pores so that they can grow hair again. It also cleans your hair and your scalp.
What is the best over the counter shampoo for thinning hair?
Our best overall pick is Biolage Advanced Full Density Thickening Shampoo, which contains biotin, zinc, and a gluco-omega blend to strengthen hair while removing follicle-clogging impurities that can prevent new hair growth.
What is carbonic acid hair treatment?
Carbonic Acid treatment is becoming popular in Japanese hair and beauty salons as those advertised on TV. Carbonic acid helps to eliminate oil and chemical residue. And also it resets alkali to provide healthy hair. 1, Wash off chemical agents such as color or perming lotion etc.
In respect to this, how often should you use carbonic acid shampoo?
Wash with it every day or every other day, depending on your hair length and needs, and enjoy the results. Our product is saturated with a concentration of 8000 ppm of carbonic acid, making sure any and all of your clogged pores won’t stand a chance of staying clogged very long.
Herein, does carbonic acid work for hair growth?
A new study by Kao Corporation has suggested that carbonic acid can improve enhance p-Toluenesulfonic acid (pTS salt) penetration into hair and improve the effects of styling treatments.
Just so, what does carbonic acid shampoo do for hair?
The expansion power of dense 8,000ppm carbonic acid works like a magnet by attracting all of the clogging agents found on the surface of the scalp, improving the blood circulation and bringing back the dead pores to life and helps to maintain your scalp clean and well-nourished.
Why Trust Yeaig?
The author, Yeaig, is a certified hair care specialist with a focus on innovative hair products. She is dedicated to providing a better hair care experience, particularly in the realm of carbonic acid shampoos. Yeaig continually seeks ways to make hair cleansing and revitalization more effective and enjoyable. Through extensive research and analysis of thousands of user reviews, she has curated a list of the best carbonic acid shampoos available in the market. The products mentioned in the list are carefully chosen for their quality, efficacy, and user satisfaction.