Pick up your toothpaste tube and read the ingredients list. Not the front — the back. Most people have never done this. What you'll find is a list of twelve or more compounds, most of which have nothing to do with actually cleaning your teeth or protecting your enamel.
Now look at what's in ENML Mint Toothpaste Tablets. The active ingredient list is four items. That difference isn't a marketing claim — it's chemistry. This post explains what each ingredient does, why conventional toothpaste contains so many of them, and why micro-hydroxyapatite changes the formula entirely.
What's in Conventional Toothpaste
A standard fluoride toothpaste — the kind in most bathroom cabinets — typically contains the following:
Sodium Fluoride (Active Ingredient)
Fluoride is the active enamel-protection ingredient in most conventional toothpastes. It works by converting hydroxyapatite — the mineral that tooth enamel is made from — into fluorapatite, a harder and more acid-resistant compound. Fluoride is effective. It also carries a toxicity ceiling, which is why fluoride toothpaste for children under six carries swallowing warnings and why it's added to municipal water supplies at tightly regulated concentrations.
Sodium Lauryl Sulfate (SLS)
SLS is the foaming agent. It's what makes toothpaste foam when you brush. It has no cleaning function and no enamel-protection function — its only purpose is sensory. SLS is also found in shampoo, dish soap, and industrial cleaning products. In some people, particularly those prone to mouth ulcers, SLS irritates the oral mucosa. Multiple studies have identified SLS as a contributing factor in recurrent aphthous ulcers (canker sores).
Carrageenan
Carrageenan is a thickener derived from red seaweed. It gives toothpaste its paste consistency and prevents the formula from separating. It's generally considered safe in the quantities used in personal care products. Some animal studies have raised questions about gut inflammation from carrageenan, though these used much higher concentrations than found in toothpaste, and the human data is limited.
Titanium Dioxide
Titanium dioxide gives toothpaste its bright white colour. It has no cleaning or protective function. In 2022, the European Food Safety Authority restricted titanium dioxide as a food additive following a safety review that cited potential genotoxicity — the ability to damage DNA. It remains approved for cosmetic use in most markets, including the US. See the EU restriction on titanium dioxide in food.
Triclosan
Triclosan was used as an antibacterial agent in Colgate Total for over 35 years. In 2016, the FDA banned it from hand soap formulas, citing insufficient evidence of safety and efficacy. Colgate removed triclosan from Total in 2019. It was in the most widely sold toothpaste in the world for decades, then removed — which raises a reasonable question about what else is in your toothpaste that you've simply never thought to ask about.
Other Common Additions
Most conventional toothpastes also contain one or more of: propylene glycol (humectant — keeps paste from drying out), sodium saccharin (artificial sweetener), carbomer (thickener and emulsifier), sodium hydroxide (pH adjuster), and various artificial flavours. None of these contribute to enamel protection or oral health. They exist because conventional toothpaste is a wet product, and wet products require chemistry to stay stable.
What's in ENML Mint Toothpaste Tablets
The ENML ingredient list:
- Micro-hydroxyapatite
- Xylitol
- Calcium carbonate
- Spearmint and peppermint oil
That's it. No SLS. No fluoride. No carrageenan. No titanium dioxide. No preservatives. Four ingredients with four specific, evidence-backed functions.
Micro-Hydroxyapatite (Active Ingredient)
Micro-hydroxyapatite is the same calcium phosphate mineral that tooth enamel is made from — 97% of enamel by weight is hydroxyapatite. At the micro-particle scale (0.2–10 micrometres), it integrates directly into the enamel surface, remineralising areas damaged by acid attack and physically occluding the dentinal tubules that cause sensitivity. Unlike fluoride, which converts enamel to a different mineral, micro-hydroxyapatite replaces lost enamel with the same mineral that was there. There is no toxicity ceiling — it is safe for children to ingest and safe for the whole family to use. You can learn more about how micro-hydroxyapatite works.
Xylitol
Xylitol is a sugar alcohol found naturally in many fruits and vegetables. In oral care, it inhibits the growth of Streptococcus mutans — the primary bacteria responsible for producing the acid that causes tooth decay. Unlike sucrose, xylitol cannot be fermented by oral bacteria, which means it doesn't contribute to the acid cycle that damages enamel.
Calcium Carbonate
Calcium carbonate is a gentle abrasive that removes plaque and surface staining from teeth. It's the same mineral found in chalk, limestone, and eggshell. At the concentration used in ENML tablets, it provides effective cleaning without damaging enamel.
Spearmint and Peppermint Oil
The flavouring. Both are plants. Both do exactly what they say on the label.
Why the Formula Is Cleaner Than a Tube
ENML's tablet format is not just an aesthetic choice — it's why the formula can be this clean. Conventional toothpaste is a wet product. Water and paste create an environment where bacteria can grow, which means conventional toothpaste requires preservatives to maintain shelf stability. Tablets are dry. No moisture, no bacterial growth, no preservatives needed. The form factor solves a chemistry problem.
The packaging extends this logic: ENML comes in a glass jar with a metal lid. Both are infinitely recyclable. A conventional toothpaste tube is typically made from multiple bonded materials — plastic, metal, and adhesive — that cannot be separated for recycling. One toothpaste tube takes approximately 500 years to decompose. Ready to make the switch? Try ENML Mint Toothpaste Tablets.
Frequently Asked Questions
Is micro-hydroxyapatite toothpaste as effective as regular toothpaste?
Yes — multiple peer-reviewed studies have shown micro-hydroxyapatite to be equivalent to fluoride for remineralisation of early enamel lesions. It works through a different mechanism (replacing lost enamel mineral rather than converting it to fluorapatite), but the clinical outcomes for early-stage enamel protection are comparable.
Does ENML toothpaste foam?
No — ENML tablets do not contain SLS, the foaming agent in conventional toothpaste. Foam has no cleaning or protective function, so its absence doesn't affect performance. The tablets dissolve into a creamy paste when chewed and mixed with saliva. Most people adjust within a week.
Are toothpaste tablets approved by dentists?
ENML tablets were formulated by a dentist. Micro-hydroxyapatite has been endorsed by the European Academy of Paediatric Dentistry as a viable alternative to fluoride for caries prevention. Tablets are increasingly recommended by dentists for patients who prefer fluoride-free options.
Is micro-hydroxyapatite toothpaste safe for children?
Yes — micro-hydroxyapatite has no toxicity ceiling and is safe to swallow, making it particularly well-suited for young children. There are no age restrictions or dosage warnings.
What does micro-hydroxyapatite actually do?
Micro-hydroxyapatite remineralises enamel by supplying the same calcium phosphate mineral that enamel is made from. It integrates into the enamel surface at the micro-particle scale, restoring mineral density lost to acid attack. It also occludes dentinal tubules, which reduces tooth sensitivity.
Want to go deeper? Read Micro vs Nano Hydroxyapatite — learn the difference, or find out whether Fluoride Free Toothpaste: Is It Safe?