When it comes to choosing the right shampoo, more expensive formulas and brand names aren’t necessarily better. Rather than focusing on the price tag, your decision should be based on knowing your hair and scalp needs and familiarizing yourself with what shampoo ingredients might be able to deliver the benefits you’re looking for. In this article, we’ll go over the best ingredients to look out for in a shampoo and get to the bottom of what you’re paying for.
What to look for in a shampoo in 30 seconds
- Shampoo price often reflects formulation, ingredients, testing, fragrance, and packaging, but not necessarily better results
- For hair loss, shampoo can support scalp health, improve how hair looks, and help reduce breakage, but it is not a replacement for treatments that address underlying androgenetic alopecia
- Ingredients that may justify a higher cost can include ketoconazole or salicylic acid, supportive hair-focused ingredients like saw palmetto or caffeine, and cosmetic thickening or smoothing agents which are intended for improved scalp health
- The best shampoo is the one that matches your scalp, hair type, and goals, not the one with the highest price tag
Key point: If you're experiencing hair loss, it’s important not to put all your eggs in one basket. A well-formulated shampoo and conditioner can help improve how your hair looks and supports long term scalp health, but these products may not be enough to target underlying causes of hair loss. Hair loss is a legitimate medical issue and we recommend consulting with a doctor to understand whether you might also need a more intensive solution.
“ Remember, price can reflect formulation choices and tolerability, but doesn’t necessarily guarantee better results. There are lots of individual factors and preferences that go into the decision-making about what shampoo to use. ”
-- Dr. Christina Han, MD FRCPC
The real reasons some shampoos cost more
Prestige or higher-end shampoo brands may charge more for shampoos for many reasons. These include the choice of ingredients, formulation, and packaging. More expensive doesn’t always mean more effective, but it can mean that some brands have access to a wider and more exclusive range of ingredients (including proprietary molecules), techniques, and packaging options that can really elevate your hair washing experience.
From an ingredient perspective, the most important components of shampoo are the surfactant (the cleansing agent) and conditioners (the ingredients that moisturize your hair and scalp after cleansing). Surfactant choice and conditioning systems can increase the price tag. More premium formulations often also contain more expensive proprietary or customized ingredients.
Complex formulas with more ingredients and different types of ingredients often need to undergo additional testing for stability, pH, viscosity, and antimicrobial properties. Additionally, it’s often the case that brands will conduct studies to provide additional support for marketing claims. These take time and resources.
Higher end brands may also use custom fragrance blends for their products and product lines. Although fragrance typically doesn’t make up a large portion of shampoo formulas, it can contribute to cost.
It’s also important not to forget that external packaging can be expensive. Many people can relate to the experience of struggling to get a shampoo bottle open in the shower. Swapping a flip cap for a pump might seem like a no-brainer for the consumer, but it could mean a significant difference in operational costs for a brand.
Tackling hair loss vs improving hair quality: Why the difference can change what's "worth it" to you
It’s normal to want to find a solution for hair loss that really works. If you’re experiencing pattern hair loss, there’s a high likelihood that a specific hormone is contributing to thinning. For most men and some women, that hormone is DHT (dihydrotestosterone). When DHT attaches to hair follicle cells, it starts a process called follicular miniaturization (i.e., shrinking of the follicle). Over time, this can progress to the point where follicles stop being able to produce healthy hair, leading to areas of thinning and eventually, bald spots.
Why does this matter? It highlights the importance of managing expectations. There are no shampoos (even ones that claim to be for thinning hair) that can replace more targeted solutions for balding. They can contain ingredients that support hair growth, improve the appearance of hair, and maintain a healthy scalp, but they won’t reverse or prevent the effects of genetic hair loss on their own. For more advanced hair loss, prescription medication or even hair transplant surgery could be necessary.
Bottom line: If you’re looking for a men’s hair loss shampoo, consider whether the claims are reasonable and factor this into your decision about whether it justifies the cost.
“Think of shampoos as a cleanser for the hair and scalp, just like we would for a cleanser on facial skin. While cleansers in general contain key ingredients to support the skin and hair, it’s important to note that cleansers are short-contact. It should be considered as supportive treatment when it comes to managing hair loss and not monotherapy. ”
-- Dr. Christina Han, MD FRCPC
Active ingredients that can justify higher costs
Let’s circle back to the discussion about how the types of ingredients and whether these are high quality can justify a higher cost. We’ve talked about the importance of having realistic expectations for shampoo can do. In terms of ingredients, there are three main categories of actives and what they do:
- Ingredients that focus on scalp health
- Ingredients that may be able to support hair growth and reduce hair loss (including natural DHT blockers)
- Ingredients that enhance the appearance of hair.
Scalp health ingredients:
The first category includes ingredients like ketoconazole, salicylic acid, and tea tree oil that target scalp skin. These ingredients often have properties that can help control oil production, exfoliate (remove dead skin cells), prevent excess growth of microorganisms like bacteria and yeasts that can cause scalp inflammation. Long term inflammation can start to interfere with the hair growth cycle, so it’s a good idea to keep this in check.
Hair growth and hair loss ingredients:
The second category includes ingredients like saw palmetto extract, rosemary extract, red clover extract, caffeine, and biotin. Often derived from plant sources, these ingredients have the potential to block DHT, reduce inflammation, stimulate hair growth, or in the case of biotin, support hair protein production. It’s important to keep in mind that there is limited evidence for some of these ingredients and that using these topically (i.e., in a shampoo) may not be the best way to get benefits.
Hair-thickening and smoothing ingredients:
The third category is ingredients that improve hair thickness and smoothness, often immediately after use. These include conditioning polymers and volumizing agents (e.g., hydrolyzed silk and plant proteins) that physically plump up the hair shaft and give the appearance of fuller hair. Smoothing ingredients such as silicones and oils can be helpful for people with thinning hair because they reduce friction between hair strands which can minimize breakage and make hair more manageable overall. These aren’t long-term solutions for thinning hair since they don’t affect hair growth in any way, but they can have a positive impact on how your hair looks and help with confidence.
What shampoo ingredients should I avoid?
Which ingredients to avoid depends on your hair and scalp needs. Obviously, if you have a known allergy or sensitivity to certain ingredients, make sure that these aren’t in your formula. If you start using a shampoo and notice changes in your scalp or hair quality, it might be worth stopping that product for a bit to see whether things improve. If so, then there is a chance there might be something in your shampoo that might not be compatible with your skin or hair.
Shampoo formulas can contain dozens of ingredients in different quantities. As far as tolerability and effectiveness are concerned, it’s important to consider formulations (as a whole) instead of focusing on a single ingredient or ingredients.
How to read a shampoo ingredients list
Shampoo ingredients lists aren’t rocket science. In fact, cosmetics labels generally follow a similar structure: ingredients present in the largest quantities are listed towards the beginning of the list, while ingredients in smaller quantities are listed towards the end. Since water and surfactants/cleansing agents are usually the bulk of a shampoo formulation, you can expect to see these ingredients near the beginning of the list.
In the middle of the list are where you typically see special add-ins, like conditioning systems or ingredients, polymers and other agents designed to add volume, as well as high concentrations of extracts and/or oils. The middle of the list is also where you’ll find actives like ketoconazole, salicylic acid, and other scalp care ingredients. Sometimes, these special active ingredients might be mentioned or highlighted separately in other places, like the front of the bottle or under its own heading.
The end of the list is usually where ingredients like fragrances, preservatives, or smaller concentrations of actives are found. This is also where possible allergens in the formula may be listed.
Checklist:
- Does the formula contain actives that are a good match for your needs?
- If you have a flaky scalp, are there soothing or exfoliating ingredients?
- If you’re experiencing hair loss, are there ingredients that can help block DHT?
- If you want thicker looking hair, does the formula contain polymers or proteins that can help thicken and possibly strengthen hair strands?
"Clean shampoo" and "non-toxic" claims
It’s important to keep in mind that the term “clean” is unregulated. Brands can choose what to include and what not to include in their formulations, which can translate into increased costs for the consumer. One example is if a brand decides to use less common preservatives—these products may be marketed as “healthier”, but they serve the same purpose in a formulation.
We acknowledge that there are cases where it’s a good idea to avoid certain ingredients (for example, those with a higher risk of causing an allergic reaction or irritating the scalp). When it comes to terms like “clean” vs “toxic”, they don’t typically consider individual hair and scalp needs. From a clinical perspective, these words don’t really mean anything and it’s not possible to draw conclusions about safety or efficacy from them.
“ Ultimately, any formulation whether marketed as clean or not can cause scalp irritation. This is because most shampoos will contain preservatives and fragrances, which tend to be the most common causes of irritation. ”
-- Dr. Christina Han, MD FRCPC
What about sulfate-free or SLS free shampoos? Are they worth paying more for?
There isn’t a straightforward answer to this question. The cost of a shampoo and whether it’s worth paying more for depends on more than single ingredient. Realistically, you should be basing this on how well the shampoo works and meets your needs.
“Sulfate-free” means that a shampoo is formulated without sulfate-based ingredients like sodium lauryl sulfate (SLS) or the related chemical, sodium laureth sulfate (SLES). On a molecular level, sulfates have components that interact with water and others that interact with oils/fats. When sulfates interact with oils on your hair and scalp, they help break these up and allow them to be more easily rinsed away with water. This is why your hair feels and looks cleaner after shampooing.
But should you avoid formulas that contain sulfates? It depends. If you have hair that’s prone to becoming oily quickly, you might find that sulfate-based formulas cleanse better than others than don’t. If you have colour-treated hair, you might find that sulfate-based formulas remove pigment more easily making your hair fade faster. But again, it’s not just about whether sulfates are present in a formula; concentration and the presence of other ingredients can really affect how a shampoo performs overall. It’s also worth noting that for some people, SLS can be a contact allergen. If you’re one of these people, you should be steering clear of it for obvious reasons.
Instead of focusing on finding a shampoo without sodium lauryl sulfate or sodium laureth sulfate, it’s more important to choose a formula designed for your hair concerns, whether that’s clarifying, moisturizing, thickening, or something else.
What about paraben-free shampoo?
Like sulfates, parabens are another class of chemicals that have received a lot of attention. Parabens are a type of preservative and preservatives are needed in formulations to extend their shelf life and prevent the growth of potentially harmful bacteria, mold, and yeast. When you see claims like “paraben free shampoo”, this usually means that there are still preservatives in the formula, they just aren’t parabens.
The reason why parabens have become a hot topic in cosmetics and personal care is due to some evidence that suggests they may be endocrine disruptors, increase the risk for certain cancers, and trigger sensitivities/allergies. Parabens may also pose a risk to the environment. While researchers don’t know dangerous these ingredients are, it may still be a good idea to minimize exposure. If you do want to choose a paraben-free shampoo, just be aware that alternative preservatives carry their own risks, including the possibility of skin irritation.
Buying guide: How to pick the right product
The truth is that whether a shampoo is “worth it” is subjective. Shampoo is a product that many people use multiple times a week, which means that it can add up. That said, when deciding how much to pay for shampoo, it is important to maintain realistic expectations about what it can do for you hair and prioritize choosing a formula that fits your needs.
The fact that there are shampoos that exist for every lifestyle and price bracket isn’t a bad thing. It means that consumers have options. You don’t necessarily need to buy the most expensive shampoo or the most popular brand. Instead, consider:
- the shampoo’s claims and who the formula is specifically designed for—whether it’s one specifically intended for sensitive or dandruff prone skin, color-treated hair, oily, or fine hair and
- remember to look for ingredients that target the issues that are most important to you and keep in mind any allergies or sensitivities you may have.
If your main concern is thinning hair, there are shampoos with ingredients that can help with hair growth and optimize scalp health. However, if you’ve been diagnosed with pattern hair loss, shampoo on its own is unlikely to stop its progression. Shampoo can support hair, but we recommend talking to a doctor and learning more about your other options.
