How to choose the right toothpaste? Six questions to ask yourself before buying

Toothpaste is one of the few cosmetic products you use twice a day, for your entire life. And yet, most people choose it in three seconds: a familiar name, a pretty tube, the word "whitening." There is nothing wrong with that, until your teeth start to complain.

Choosing a toothpaste does not require knowledge of ingredients. It requires answering a few questions about yourself. Below are six that help organize your choice, and a quiz that asks them for you and suggests one toothpaste from our selection.

1. What do you want to achieve first?

A brighter color, less sensitivity, healthier gums, enamel protection, fresh breath, or just a good everyday toothpaste. A toothpaste can do several things at once, but it does one best, and that is what it is designed for. If you don't have one specific goal, that is also an answer: you are looking for an "everyday" toothpaste without a specialty.

A common mistake: buying a whitening toothpaste "by the way" when the main problem is sensitivity. The abrasives in whitening pastes do not help sensitive teeth. More on what really whitens at home in our text about teeth whitening at home.

2. Do your teeth react to cold, hot, or sweet things?

"Sometimes, when it's very cold" and "yes, often and clearly" are two different situations. For occasional twinges, a gentle paste with low abrasivity is enough. For frequent pain, it is worth looking for ingredients for sensitivity: potassium nitrate, which calms the nerve response, or nano-hydroxyapatite, which settles into the exposed dentin tubules. The effect builds up over 2–4 weeks, not after one wash. Details in the text what to use for tooth sensitivity.

3. Do your gums bleed when brushing or flossing?

This is the most diagnostic question on the entire list and also the most frequently ignored. Healthy gums do not bleed. If they bleed regularly, it is a symptom of inflammation, not "sensitive gums." It is reversible, but it is reversed by removing plaque—that is, professional cleaning by a hygienist—not by changing toothpaste. A toothpaste can help maintain the effect; it will not do the work of a procedure.

4. Are you in a special situation?

Fixed braces or aligners, implants and crowns, receding gums, recurring aphthous ulcers, dry mouth, pregnancy. Each of these situations changes the choice:

• Braces: the most important thing is protection against white spots around brackets; we wrote a separate text about this.
• Receding gums: exposed dentin is softer than enamel, so avoid highly abrasive pastes, including those with charcoal.
• Aphthous ulcers and irritation: in some people, SLS (a foaming detergent) and cinnamon aggravate them. Switching to an SLS-free toothpaste costs nothing, so it's worth a try.
• Dry mouth: look for xylitol and a mild detergent, avoid very strong menthol.
• Pregnancy: the dental consensus recommends fluoride toothpaste and alcohol-free mouthwashes during pregnancy. There is no basis for advising against fluoride during pregnancy.

5. Fluoride or hydroxyapatite?

This is the question where it is easiest to get ideological and hardest to find a calm answer. Fluoride has the longest history of research in cavity prevention and is the standard in dental recommendations. Hydroxyapatite, the mineral from which enamel is built, is widely researched for remineralization and serves as a fluoride-free alternative; in an 18-month randomized study, a paste with 10% hydroxyapatite performed no worse than a paste with 1450 ppm of fluoride.

Our selection includes pastes from both sides, so we have no reason to try to convince you. If you have an opinion, stick to it. If you don't, read our comparison of both ingredients and choose what suits you better. Exception: when your dentist or orthodontist recommends fluoride for a specific reason, stick to the recommendation.

6. What flavor can you stand twice a day?

It sounds trivial, but taste determines whether you will brush your teeth for two minutes or thirty seconds. Classic mint, very strong mint, mild citrus and floral flavors, spicy cinnamon: each of these options is in our selection. If cinnamon irritates you or you have a sensitive oral mucosa, avoid cinnamon variants regardless of how good the rest of the ingredients look.

A quiz that asks these questions for you

The six questions above are a summary. Our toothpaste selection quiz asks nine (three for children), excludes pastes that make no sense in your situation, and scores the rest according to goal, sensitivity, special situations, and flavor. At the end, you see one toothpaste, two–three reasons why this one, and two alternatives. It takes about two minutes and does not require creating an account.

The quiz does not replace a dentist. If you answer that your gums bleed regularly or bad breath persists despite hygiene, you will see this at the top of the result: visit first, toothpaste later.

Most frequently asked questions

Is one toothpaste enough for everything?

Usually yes, if you don't have a specific problem. With two goals at once (e.g., sensitivity and discoloration), it makes sense to use one paste in the morning and another in the evening.

Is a more expensive toothpaste better?

Not by definition. You pay for active ingredients in a meaningful concentration (e.g., 10–15% nano-hydroxyapatite), for the lack of SLS, and for origin. If none of these things matter to you, a cheap fluoride toothpaste from a drugstore does the job.

How often should you change your toothpaste?

There is no need to, if your current one suits you. Change it when the situation changes: sensitivity starts, you get braces, you finish whitening.

Sources: Paszynska E. et al., "Caries-preventing effect of a hydroxyapatite-toothpaste in adults: a 18-month double-blinded randomized clinical trial", Frontiers in Public Health 2023; Cochrane review on sensitivity toothpastes (Hu et al.); American Dental Association position on oral hygiene in pregnancy.