Is Your Toothpaste Bad for You?

is your toothpaste bad for you?

You use toothpaste every day…but should you be worried about its bright dyes and unnatural ingredients?

If you’ve tried to read the back of the box, you know it’s confusing (unless you’re a chemist). But you can’t just stop using toothpaste — it’s a crucial part of dental care.mo

Don’t worry! In this post, I’ll help you identify the most common ingredients in toothpaste and whether you and your family should avoid them.


I’ll go into detail below, but if you only have a minute, here’s the short version: Definitely avoid toothpaste that contains triclosan, as it likely affects fertility and increases cancer risk. You might also want to steer clear of sodium lauryl sulfate (SLS), parabens, and artificial dyes.

You can also check out this great app from the Environmental Working Group. It will tell you how dangerous your toothpaste is on a scale of 1-10.

Now let’s go deeper. Here’s what’s probably in your toothpaste:



Most toothpaste is at least 20% water. No problems there!



Calcium carbonate, dehydrated silica gels, hydrated aluminum oxides, magnesium carbonate, phosphate salts, silicates

What they do: Remove plaque and stainstoothbrush toothpaste

Should you avoid them? No. Almost all toothpastes contain a mild abrasive. If you have healthy teeth, the amount in most ADA-accepted toothpastes is safe. If you think you may have tooth enamel erosion, talk to your dentist about gentler options.



Sodium fluoride, stannous fluoride, monofluorophosphate

What it does: Strengthens tooth enamel and makes teeth less likely to decay by becoming more acid resistant.

Should you avoid it?  Not necessarily, but your young children should.  You should be fine if you use your toothpaste as directed.  (All ADA-accepted toothpastes contain some amount of fluoride.)  In the right doses, fluoride has been shown to prevent tooth decay.

mother brushing childs teeth

Fluoride is a naturally-occurring mineral, but very high doses can actually lead to tooth enamel defects. Don’t use fluoride for children less than 2, and use very little for children 8 and younger.


Foaming Agents

Sodium lauryl sulfate (SLS)

What they do: Create a “lather” effect

Should you avoid them?  Maybe.  Most people don’t experience problems with the level of SLS in most toothpastes, but in some cases, it causes skin irritation and even canker sores. And Canada classifies it as “expected to be toxic or harmful.”  You can find SLS-free toothpaste from brands like Tom’s of Maine.

toms of main toothpaste

Antibacterial Agents


What they do: Kill bacteria that are related to gum disease and tooth decay

Should you avoid them?  Probably. The jury is still out on the potential dangers of triclosan. The chemical seems to reduce fertility and increase the risk of cancer in animals, but the FDA has yet to issue an official ruling on its safety for humans.  Manufacturers like Crest now offer triclosan-free toothpaste.

Crest Pro Health Clinical Gum Protection


Glycerin, sorbitol, xylitol

What they do: Help toothpaste retain water and stop it from drying out

Should you avoid them?  No. Xylitol in particular is considered a safe option.


Carrageenan, cellulose gum, guar gum and xanthan gum

What they do: Create a thick consistency

Should you avoid them?  No.  Most people experience no side effects from these ingredients.

toothbrush bathroom sink

Source: Gabriel Rocha


Sodium benzoate, methyl paraben, ethyl paraben

What they do: Stop microorganisms from growing in toothpaste

Should you avoid them?  Probably. Some people avoid parabens due to concerns that they could put women at a higher risk for breast cancer.  As of now, the FDA has found no reason for concern, but the Environmental Working Group reports that there is “strong evidence” parabens disrupt the endocrine system.  Your safest bet: avoid them.


Sweetening and Flavoring Agents

Saccharin, stevia, xylitol, peppermint

What they do: Mask the unpleasant taste of other ingredients

Should you avoid them?  No.  The common ingredients listed above are generally safe.


Coloring Agent

Artificial dyes

What they do: Turn toothpaste bright colors

blue toothpaste

Should you avoid them?  Probably.  The safety of artificial dyes in food and other products is still a subject of debate.  If you want to avoid them, look for plain white toothpaste.

The FDA and the ADA are important resources in the search for safe, healthy toothpaste. But the truth is, we still don’t know the long-term effects of many of toothpaste’s most common ingredients.  If you don’t feel comfortable putting certain ingredients in your body, trust your instincts and opt for a more natural alternative.

Now that you know what kind of toothpaste is best, learn what type of toothbrush you should be using.

If you think something in your toothpaste might be damaging your teeth, give us a call. We can help you find a safe, holistic option whatever your dental needs.   

Photo sources: William Warby, Brian, Tom’s of Maine, Crest, Maruen Veras

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