Clove has been used in dentistry for centuries. Long before modern toothpaste existed, traditional healers pressed whole cloves against aching teeth and inflamed gums. Today, clove essential oil — and specifically its primary compound, eugenol — remains one of the most studied botanical ingredients in oral care research. If you've ever wondered why clove keeps showing up in natural toothpastes, the answer is straightforward: it works.

At Heart Tone Botanicals, clove is one of the botanical CO₂ extracts in our Living Crystal Toothpaste — a farm-crafted, fluoride-free formula built on 30+ plant-derived ingredients. Here's what the science says about what clove actually does in a daily toothpaste formula.

What Makes Clove Different in Oral Care

Clove essential oil is derived from Syzygium aromaticum, a flowering tree native to the Maluku Islands in Indonesia. The part used in oral care is primarily the eugenol-rich oil pressed from the buds. Eugenol is a phenolic compound that has been the subject of decades of dental research for its activity on oral tissues and microbes.

Eugenol — clove's active compound — has been used as a standard ingredient in dental materials, temporary fillings, and root canal sealers for over a century. Its presence in natural toothpaste is backed by the same science that made it a clinical staple.

What distinguishes clove from many botanical ingredients is its dual profile: it functions as both a microbiome-influencing botanical and a tissue-supportive compound, which makes it useful in a complete oral care formula rather than as a single-purpose additive.

Clove and Oral Microbiome Balance

The mouth hosts hundreds of microbial species, and the balance between them determines whether your gums stay healthy, your breath stays fresh, and your enamel stays intact. Eugenol — clove's primary active — has been studied for its effects on bacteria commonly associated with gum inflammation and tooth decay, including Streptococcus mutans and periodontal pathogens.

Research published in dental and natural products journals has examined eugenol's mechanism of action at the cell membrane level, finding that it disrupts bacterial cell membranes in a way that inhibits biofilm formation. Biofilm — what we commonly call plaque — is the sticky matrix that allows oral bacteria to colonize tooth surfaces and cause damage over time.

In a daily toothpaste like Living Crystal, clove works alongside other microbiome-balancing ingredients — including colloidal silver, colloidal zinc, and xylitol — to create a multi-pathway approach to oral health rather than relying on any single mechanism.

Gum Tissue Support

One of the most well-documented uses of eugenol in dentistry is its effect on inflamed tissue. Traditional dental preparations — including zinc oxide eugenol (ZOE) cement used in dentistry for over 100 years — rely on eugenol's tissue-calming properties for applications ranging from cavity liners to surgical dressings.

In a daily toothpaste context, this translates to a botanical that may support gum tissue through regular use. People with sensitive or reactive gums often find botanical formulas featuring clove to be gentler than synthetic alternatives, particularly when clove is balanced with other soothing ingredients like aloe vera, calendula, and licorice root — all of which are also present in Living Crystal Toothpaste.

Natural Breath Freshness

Clove's aroma is familiar for a reason: eugenol has genuine deodorizing activity. Volatile sulfur compounds (VSCs) — the primary cause of bad breath — are produced by specific anaerobic bacteria in the mouth. Clove has been studied for its ability to reduce VSC production by targeting the anaerobic bacteria responsible, rather than simply masking odor with synthetic fragrance.

This is meaningfully different from how most commercial toothpastes handle breath freshness. Alcohol-based rinses and synthetic menthol create a brief sensation of clean but don't address the microbial root cause. Clove, paired with peppermint, spearmint, and colloidal zinc in our formula, works on the source — not the symptom.

The CO₂ Extraction Difference

Not all clove extracts are created equal. The clove used in Living Crystal Toothpaste is a CO₂ extract — a cold extraction method that preserves a broader spectrum of bioactive compounds compared to steam distillation. Where steam distillation primarily captures eugenol, CO₂ extraction retains a fuller phytochemical profile including eugenol acetate, β-caryophyllene, and other sesquiterpenes.

CO₂ extraction is gentler on heat-sensitive compounds and produces a more concentrated, truer-to-plant extract. It's also why CO₂ extracts are increasingly preferred in premium botanical formulations — the active profile is more complete, which matters when the goal is genuine function rather than just ingredient labeling.

What Clove Works With in the Formula

Living Crystal Toothpaste pairs clove CO₂ with a full botanical and mineral stack:

• Spherical Micro-Hydroxyapatite (mHAp) — enamel mineral that matches the structure of tooth enamel
• Theobromine — cacao-derived compound studied as a fluoride-free mineral support
• Colloidal Silver — for oral microbiome balance
• Usnea Lichen — a botanical with long traditional use in oral care
• Rhatany Root — an astringent botanical traditionally used to support gum tissue
• Organic Myrrh — resin extract with a deep history in dental botanical medicine
• Licorice Root — studied for its effect on S. mutans, a key cavity-associated bacteria
• Organic Calendula — soothing botanical for soft tissue support
• Farm-grown Neem, Aloe Vera, and Moringa — grown on our biodynamic farm in Vero Beach, FL

Clove doesn't carry the formula alone. It's one voice in a full botanical chorus, and its presence is deliberate — not decorative.

How to Pair Clove Toothpaste With Oil Pulling

If you're already using clove-containing toothpaste, adding oil pulling to your routine creates a complementary layer of oral care. Our Antioxidant Oil Pull is built on sesame seed oil — the traditional base for Ayurvedic oil pulling — and includes CoQ10, resveratrol, and 12 premium plant extracts including myrrh, manuka, green tea, turmeric, and licorice root.

Oil pulling works by mechanically carrying bacteria and debris out of the oral cavity while the oil's botanical compounds interact with the mouth's environment. Pairing it with a mineral-rich toothpaste like Living Crystal creates a morning routine that addresses enamel remineralization, microbiome balance, and gum tissue support in one complete sequence.

Brush with Living Crystal. Pull with Antioxidant Oil Pull. That's a real botanical oral care routine — not a marketing stack.

What to Look for in a Clove Toothpaste

If you're evaluating natural toothpastes that include clove, a few things matter:

1. Form of the extract — CO₂ or steam-distilled oil vs. synthetic eugenol. Natural is better; CO₂ is best.
2. Supporting cast — Clove performs better as part of a multi-ingredient formula than as a standalone. Look for complementary botanicals.
3. No artificial SLS or synthetic surfactants — sodium lauryl sulfate disrupts oral mucosa and may reduce the efficacy of active botanical ingredients.
4. Remineralization support — Clove is not a remineralizer. The best fluoride-free formulas pair it with hydroxyapatite and/or theobromine to address enamel support separately.

Living Crystal Toothpaste checks all four. No SLS. Real CO₂ extracts. Full mineral stack. And it's made on a working biodynamic farm.

The Bottom Line on Clove in Toothpaste

Clove is one of the most research-backed botanical ingredients in oral care — with centuries of dental use and a growing body of modern research behind it. In a well-designed natural toothpaste formula, it contributes to microbiome balance, gum tissue support, and natural breath freshness through mechanisms that are genuinely distinct from synthetic alternatives.

The key is how it's sourced, extracted, and paired with supporting ingredients. At Heart Tone Botanicals, clove is part of a complete botanical and mineral formula crafted for people who want their oral care to actually do something — not just taste clean.

Ready to make the switch? Explore our complete oral care collection — built from real ingredients, grown and crafted on our biodynamic farm in Vero Beach, Florida.