Is TRESemmé Good For Your Hair?

TRESemmé Shampoo and Conditioner bottles on a white background

Is TRESemmé good for your hair? The short answer is no, TRESemmé is not good for your hair. TRESemmé, like many drugstore shampoos and conditioner brands, contains a lot of harsh ingredients that damage your hair instead of doing any good to it. Although their products are affordable, I recommend that you don’t use them.

A lot of popular brands, like TRESemmé, contain harmful ingredients that can cause your hair and health problems in the future. Parabens, sulfates, silicones, phthalates, and formaldehyde-releasing ingredients can have a huge harmful effect on your hair and scalp. These ingredients can cause anything from an itchy scalp to even lesions and blisters from irritation of these ingredients.

Is TRESemmé Shampoo Good For Your Hair?

TRESemmé shampoo is not good for your hair. When you think about the fact that TRESemmé shampoo is full of chemicals, it shouldn’t surprise you. For example, it contains sulfates like sodium lauryl or lauryl sulfate and cocamidopropyl betaine which can strip natural oils from the scalp and hair. This can cause a number of hair problems, including dryness, and breakage.

Some of these products claim to do many great things for your hair, but actually, they are just masking the damage that these ingredients are doing to your hair. So if you’re still using TRESemmé shampoo, it’s time to break out of the cycle and make a change. There are plenty of natural alternatives that can help to improve your hair health without causing any damage.

Can Shampoo Cause An Allergic Reaction?

Shampoos can definitely cause an allergic reaction. Some shampoos, like TRESemmé, have harsh and harmful ingredients in them that should not be applied to your hair and scalp on a regular basis. Allergic reactions to shampoos and other toiletry products are quite common.

Shampoos are meant to clean and remove dead skin, oils, dirt, and more from your hair and scalp, but you may find that your scalp is irritated and itchy after washing your hair in the shower if you’re having an allergic reaction. There are obvious signs of an allergic reaction like a dry and itchy scalp.

You may have redness and irritation or even dry scaly patches or blisters on your scalp. If you’re allergic to your shampoo or if you’re suspicious that you think you might be allergic to your shampoo or conditioner then you should look for signs of redness or irritation on your scalp, ears, forehead, neck, or eyelids.

You may also notice dandruff or hair loss if you’re allergic to your shampoo or conditioner as well. It’s important to note that anything can change and you could develop an allergic reaction to a shampoo that you’ve been using for a long time already.

Is TRESemmé Conditioner Good For Your Hair?

TRESemmé conditioner is not good for your hair. TRESemmé, like other drugstore popular products, contains a lot of harmful ingredients in their products. DMDM Hydantoin is one of the most harmful ingredients that are found in TRESemmé products.

DMDM Hydantoin is an ingredient that is a preservative and antimicrobial agent. It is often categorized as a “formaldehyde releaser.” Meaning, it releases a small amount of formaldehyde over time to help keep products fresh and free from mold and bacteria.

Unilever, which is the company that makes TRESemmé products and many other similar products, is actually facing a lawsuit for the side effects of this ingredient in their shampoos and conditioners. You can read more about it here.

DMDM Hydantoin is known to cause scalp irritation, hair loss, and lesions. Usage of these types of products over a long time can cause significant negative effects on your skin, scalp, and hair. We recommend that you try a brand that does not contain DMDM Hydantoin.

Can You Be Allergic To Conditioner?

You can indeed be allergic to conditioner. Just like you can be allergic to shampoo, your skin can react the same way to conditioners as well. In many different products, there are harmful ingredients that can cause a significant amount of negative effects to your skin and scalp, or hair. You can experience hair loss, dry hair, red scaly patches on the skin. You can even experience blisters.

Having an allergic reaction to conditioner can happen at any time because of exposure to these harmful ingredients. Using these types of products over time can cause contact dermatitis which can, in turn, cause bad side effects from the conditioner. Even if you’ve been using the conditioner for a while, your body can eventually still have a reaction to it because the extended exposure to these chemicals can be damaging.

Which Is Better Pantene Or TRESemmé?

Pantene and TRESemmé are both brands that you should avoid. These brands both contain ingredients and chemicals that are harmful to your hair as well as your skin and scalp. Pantene, however, is a better option if you have to choose between the two. The worst “line” that Pantene carries is the Pro-V line. So as long as you don’t get that line and pay attention to the ingredients then you should be good.

However, you should steer away from TRESemmé and Pantene brands. They both contain sulfates, silicones, and parabens that are not good for your hair or scalp at all. Some of these lines under Pantene and TRESemmé claim that they are “all-natural” but they are not. It is important to pay attention to the ingredients list and choose your hair care brands wisely.

Does TRESemmé Cause Hair Loss?

TRESemmé can indeed cause hair loss. There are actually many reports on losing hair from using TRESemmé products. There are tons of reasons why you could lose hair when using TRESemmé products. It could be due to the products themselves, or it could be that you are allergic to them.

There are ingredients such as sulfates, parabens, and silicones that can cause a multitude of negative effects to your hair and scalp, including hair loss. Ultimately, prolonged usage of these products that contain harmful ingredients can actually ruin your hair in the long run as well, making it hard to get it back healthy.

Unilever, the company that makes many products such as TRESemmé, is actually facing a lawsuit for having DMDM Hydantoin in its products. This is the leading ingredient that can cause hair loss and is linked to some cancers. DMDM Hydantoin is a formaldehyde-releasing ingredient that is placed in many of our body products to help preserve them.

What Is The Bad Ingredient In TRESemmé?

As mentioned above, DMDM Hydantoin is one of the worst and the main ingredients in TRESemmé products that causes negative effects to your hair and scalp, as well as long-term health effects. Unilever, which is the manufacturer of TRESemmé products, is facing multiple lawsuits for their failure to warn about a dangerous ingredient and chemical in their products: DMDM Hydantoin.

This ingredient is actually a formaldehyde-releaser that helps with preserving the product. Believe it or not, this ingredient can be found in many more products than just TRESemmé products. This ingredient is a well-known human carcinogen, which is a cancer-causing ingredient. The lawsuit states that this ingredient can cause irritation and hair loss when used as directed. The brand claimed that their products were safe to use even knowing about the dangerous chemical that was in the product.

Extended usage of these types of ingredients can leave your hair dry, brittle, and coming out. There are also many different long-term health problems as well if used over a long amount of time. Most people wash their hair multiple times a week so there is a lot of chance for exposure to these harmful ingredients. There have been many different cases of people losing massive amounts of hair after using TRESemmé products with the ingredient DMDM Hydantoin in them.

What Are The Side Effects Of TRESemmé Shampoo?

The main TRESemmé product that we’re going to be referencing is the keratin line at TRESemmé. These products, like others from TRESemmé and other leading brands, have harmful chemicals in them. The top harmful chemical that causes terrible side effects is DMDM Hydantoin. This ingredient is a releases formaldehyde when it comes in contact with water.

This can cause heavy irritation and other effects on your hair and scalp, especially with prolonged usage. Some side effects that can be caused by using these products are hair loss, dry and brittle hair, red or dry scalp, itchy scalp, and other discomfort. These side effects can happen as early as only after a couple of washes using these products. These side effects are extremely common among people who have used these products.

What Hair Brands Are Bad For Your Hair?

There are a lot of brands of shampoos and conditioners that are not very good for your hair. You may be surprised to find out that the most popular and accessible brands are the ones that you really should not be using. Let’s go through some of the worst brands that you could use, but should not be using on your hair.


Pantene is one of the most popular and accessible brands that you should not be using on your hair. You may read the label and claims of the products and think that they are good for your hair, but in reality, you should read the ingredients list, because you will realize the harmful ingredients placed in it.

Head & Shoulders

Head & Shoulders is a popular brand that claims to help get rid of dandruff, but in reality, it actually makes it worse. Head & Shoulders shampoo and conditioner dries out your scalp and hair which makes dandruff worse, especially if you already had dandruff.


Of course, TRESemmé would make it on this list because of the harmful ingredients in their products including DMDM Hydantoin.


Aussie is a brand that is famous for making your hair super soft and silky. However, your hair isn’t soft and silky because it’s actually nourished, but because it has a ton of silicones in the shampoos and conditioners that coat your hair.

Garnier Fructis

Garnier Fructis brand of shampoos and conditioners contain harmful ingredients that can leave your hair and scalp dry. This in return, causes dandruff that you may not have had prior to using this brand.

What Is The Safest Shampoo To Use?

The safest shampoos to use are the ones that are made with natural ingredients. These products should not have any harmful ingredients or chemicals that can cause negative effects on your hair and scalp. Here are some of the safest shampoos that you can use on your hair to truly nourish it.


The Briogeo natural shampoo is derived from 90 to 100 percent natural ingredients. They are also free of parabens, silicones, and sulfates. Plus they are also cruelty-free.

Avalon Organics

Avalon Organics is an all-natural brand that is actually certified which means that they don’t just claim to be all natural and organic, but they actually are.

SheaMoisture Natural Shampoo

This shampoo is another one that doesn’t have harmful ingredients like parabens, phthalates, and formaldehyde in it. They are Earth friendly and consumer friendly as well, by creating natural products.

Herbal Essence Natural Shampoo

This brand is actually a surprise, but Herbal Essence has gone to great lengths to create a natural line of products. This line specifically is formulated without silicones, parabens, and other harmful ingredients.

Ethique Natural Shampoo Bar

This one is a little different because it’s actually a bar of shampoo. This is an all-natural product as well as a plastic-free option and it’s cruelty-free.

Why TRESemmé Is Bad For You: Final Thoughts

Overall, finding a good brand to use for shampoos and conditioners doesn’t have to be difficult. It’s important to just pay attention to the ingredients list and not just the claims of the products. As we’ve seen with TRESemmé, you can’t really trust what they claim.

Watch out for parabens, silicones, sulfates, or the famous ingredient “DMDM Hydantoin.” These ingredients can hurt your hair and cause more damage than good for your hair. Extended usage of these brands with harmful chemicals in them can cause you a lot of long-term damage to your hair and even your health.

In addition to dry and brittle hair, you can experience hair loss or your hair can become oily and heavy. Also, be sure to watch out for allergic reactions to these harmful chemicals. Irritation, rash, or redness anywhere around your hairline and scalp can be a sign of an allergic reaction to these harmful ingredients.

Your hair is one of the most important things to pay attention to when it comes to your health and beauty routine. The best way to be safe about what you’re using on your hair is to do your research and be sure to read the labels. Looking out for these bad ingredients can help you narrow down what exactly you should be putting in your hair and what you shouldn’t put on your hair.

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By Daphnie Bachmann

Daphnie Bachmann is an esthetician and beauty writer at Kintegra Research. She loves beauty and skincare. She always has her eyes open for the next new beauty or skincare product to test out and review. She's inspired by the beauty world and is always willing to share her beauty secrets!