Description
Spearmint essential oil is steam-distilled from the leaves and flowering tops of Mentha spicata, the mint of chewing gum, tabbouleh and the garden bed that takes over the garden. It is grown commercially across Europe, North America and India, and it is one of the few genuinely familiar scents in any range: most people have met it long before they meet an essential oil.
What makes spearmint interesting in a sauna is the difference between it and its more famous cousin. Peppermint is dominated by menthol, which is what produces that cold shock on skin and in the airways. Spearmint contains very little menthol. Its character comes instead from carvone, which smells sweet, green and minty without the ice. The result is a mint you can use in hot steam without the room feeling like a mentholated rub.
Mint has been a strewing herb, a bath herb and a kitchen staple in Europe since Roman times. That history is charming and it is not medicine: the oil treats and cures nothing. It is simply one of the most recognisable and best-liked scents there is.
Scent Profile
Spearmint opens sweet and green, unmistakably mint but soft-edged, with none of peppermint's cold bite. The heart is rounder and slightly fruity, closer to a fresh leaf than to a sweet. The dry-down is clean and faintly herbal, fading quickly, which is why it is a good opener for a session rather than a base note.
In steam it reads as cooling without being cold, and it is noticeably easier on the eyes and airways than peppermint or eucalyptus.
In the Sauna
Spearmint belongs in the lower dosing band with the other mints, even though it is the gentlest of them:
- 1. Prepare the water first. About 500 ml of warm water in the bucket.
- 2. Add 2-3 drops of spearmint oil. Start with 2. Mint is the family of oils people most often overdo.
- 3. Stir well so the droplets disperse.
- 4. Ladle small amounts over hot stones, pouring gradually and letting the steam carry it.
- 5. Repeat sparingly. One scented pour every 10-15 minutes. Mint is refreshing in small doses and wearing in large ones.
Never pour undiluted oil onto the stones. Neat oil is flammable, can flash on a hot heater, and burnt mint smells genuinely unpleasant. Dilute in water first and air the room between sessions. The dosage guide sets out the bands, and the complete sauna scents guide compares spearmint with everything else we sell.
At Home
- Diffuser. 3-5 drops. Spearmint is a daytime scent: kitchens, studies, anywhere that needs to feel awake.
- Summer rooms. Mint makes a warm room read as cooler than it is, which is a trick worth knowing in July.
- Body oil. About 1.5 percent in a carrier, roughly 9 drops per 30 ml. Less cooling than peppermint on skin, but still diluted and still patch tested. See the carrier oils guide.
- Cleaning. A few drops in a bucket of water gives a kitchen floor a clean, sweet smell without a synthetic edge.
Blending Guide
Spearmint is a brightener. It wakes up heavier oils and gets out of the way quickly. Ratios are by drops.
| Partner oil | Suggested ratio | The mood it makes |
|---|---|---|
| Eucalyptus | 1 : 1 | The classic clearing-the-head pour, with spearmint rounding off the eucalyptus edge. Keep the total dose low. |
| Lavender | 1 : 2 spearmint to lavender | Cool and calm at once - a good compromise when one person wants refreshing and another wants restful. |
| Lemon | 1 : 1 | Bright, sharp and genuinely cooling on a hot evening. |
| Pine | 1 : 3 spearmint to pine | Forest with a cold draught through it, more interesting than either oil alone. |
| Cedarwood | 1 : 3 spearmint to cedarwood | Sweet mint over warm timber, unexpected and very easy to like. |
All partners come from our own range.
Key Characteristics
| Feature | Description |
|---|---|
| Aroma Profile | Sweet, green and softly minty - the familiar mint leaf without peppermint's cold menthol bite. |
| Intensity | Strong - the gentlest of the mints, but still a 2-3 drop oil in steam. |
| Composition | 100% pure Mentha spicata essential oil, steam-distilled from leaves and flowering tops. Carvone-led, very low in menthol. |
| Volume | 30 ml in UV-protective dark glass with a dropper. |
| Origin | Cultivated spearmint from European and North American growers. |
| Shelf Life | 2-3 years unopened; best used within 12-24 months after opening. |
Storage & Quality
Mint oils keep reasonably well but lose their sweetness first. Store the bottle closed, cool and dark, and keep it away from the sauna shelf itself, where heat and humidity do the ageing for you.
Quality here is mostly a question of what is in the bottle: spearmint is sometimes stretched with cheaper mint fractions or sold as a generic mint blend. Genuine spearmint smells sweet and green; if yours smells sharply cold, it has peppermint or menthol in it.
Safety Information
- Never take it internally. Mint tea and mint oil are different things by several orders of concentration.
- Dilute for skin. About 1.5 percent in a carrier for adults, patch tested. Spearmint is gentler than peppermint, not exempt from the rules.
- Young children. Strong mint and eucalyptus-type scents are not appropriate around babies and small children in hot steam. Keep the sauna unscented when small children are in it and the bottle well out of reach.
- Eyes. Mint steam stings. Keep the dose low, sit a sensible distance from the stones, and rinse with water rather than rubbing if it catches you.
- Pets. Not safe around cats, and mint oils are also poorly tolerated by dogs. Keep animals out of a scented sauna.
- It is a scent, not a treatment. Mint has a long reputation for refreshment and clear-headedness. Enjoy that; for health questions, ask a qualified professional.
Frequently Asked Questions
Q: What is the difference between spearmint and peppermint oil?
A: Menthol. Peppermint is menthol-led and produces a strong cold sensation; spearmint is carvone-led, sweeter and much softer. In a hot sauna spearmint is the more comfortable of the two.
Q: How many drops of spearmint oil go in a sauna bucket?
A: 2-3 drops in about 500 ml of water. Start with 2.
Q: Is spearmint safe for children in the sauna?
A: We would keep the sauna unscented when small children are in it. Mint-type scents in hot steam are not suitable for babies and young children, and a plain session loses nothing.
Q: Does spearmint cool you down?
A: It makes a room read as cooler because of the way the scent works on perception, not because it lowers the temperature. Pleasant, but a sensation rather than a cooling treatment.
Q: Can I use spearmint if peppermint is too strong for me?
A: That is exactly the case it is for. Same family, much gentler delivery, no menthol shock.
Q: Why does my spearmint smell like chewing gum?
A: Because chewing gum is flavoured with it. Carvone is the compound behind both, so the association runs the other way round from what people expect.
Q: What blends well with spearmint?
A: Eucalyptus for a clearing blend, lavender for balance, citrus for a summer pour, conifers and cedarwood for something more unusual. The table above gives ratios.
Q: Can I use it in a steam room or hot tub?
A: In a steam generator only if the manufacturer allows scent in the reservoir. Never in a hot tub: oils do not dissolve and will clog the filtration.
