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The moment crystals hit hot stones, the room changes. Not gradually — immediately. A sharp, clean wave of cold moves through air that's already 180 degrees, and for a breath or two your lungs feel like they're somewhere else entirely, somewhere cold and open. That's what natural menthol does in a sauna, and it does it with just a few crystals placed directly on the stone bed. The Harvia Menthol Crystals are natural L-Menthol — derived from mint oil, not synthesized — which gives the scent a depth and complexity that synthetic alternatives don't match. The 200g tin keeps well and goes a long way: a small dose is all it takes, and you'll know quickly if you've used too much. One rule worth knowing: the crystals melt at around 41°C, so bring only what you need into the sauna rather than the whole tin. Place them on the stones, sit back, and breathe. Some sessions are about heat. This one is about air.

Immediate effect, no water needed. Place a few crystals directly on the hot stone surface and the menthol vapor rises instantly — no löyly required, no dilution step. The cooling sensation reaches the bench within seconds of contact with the stones.

Natural L-Menthol, not synthetic. Derived from Mentha arvensis mint oil rather than manufactured from petrochemical sources. Natural menthol has a rounder, more complex scent profile — the difference is noticeable, especially at sauna temperatures where every aromatic compound amplifies.

A little goes a long way. The 200g tin contains enough crystals for many sessions used at the recommended dose. Start with 2–3 small crystals for a first session and adjust from there — the effect is strong, and overdosing irritates eyes and airways quickly.

Two ways to use it. Place crystals directly on the stones for an immediate, intense hit, or dissolve a small amount in your bucket water and ladle it over the stones for a softer, more gradual release that builds through the pour.

Keep the tin outside the sauna. Menthol crystals begin to melt at approximately 41°C (106°F) — well below sauna temperature. Bring only the dose you need into the room in a separate container; the tin is for storage outside the hot zone.

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Menthol crystals 200g | Harvia

SKU: HAR-SAC00111M
Regular price $59.00
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The moment crystals hit hot stones, the room changes. Not gradually — immediately. A sharp, clean wave of cold moves through air that's already 180 degrees, and for a breath or two your lungs feel like they're somewhere else entirely, somewhere cold and open. That's what natural menthol does in a sauna, and it does it with just a few crystals placed directly on the stone bed. The Harvia Menthol Crystals are natural L-Menthol — derived from mint oil, not synthesized — which gives the scent a depth and complexity that synthetic alternatives don't match. The 200g tin keeps well and goes a long way: a small dose is all it takes, and you'll know quickly if you've used too much. One rule worth knowing: the crystals melt at around 41°C, so bring only what you need into the sauna rather than the whole tin. Place them on the stones, sit back, and breathe. Some sessions are about heat. This one is about air.

Immediate effect, no water needed. Place a few crystals directly on the hot stone surface and the menthol vapor rises instantly — no löyly required, no dilution step. The cooling sensation reaches the bench within seconds of contact with the stones.

Natural L-Menthol, not synthetic. Derived from Mentha arvensis mint oil rather than manufactured from petrochemical sources. Natural menthol has a rounder, more complex scent profile — the difference is noticeable, especially at sauna temperatures where every aromatic compound amplifies.

A little goes a long way. The 200g tin contains enough crystals for many sessions used at the recommended dose. Start with 2–3 small crystals for a first session and adjust from there — the effect is strong, and overdosing irritates eyes and airways quickly.

Two ways to use it. Place crystals directly on the stones for an immediate, intense hit, or dissolve a small amount in your bucket water and ladle it over the stones for a softer, more gradual release that builds through the pour.

Keep the tin outside the sauna. Menthol crystals begin to melt at approximately 41°C (106°F) — well below sauna temperature. Bring only the dose you need into the room in a separate container; the tin is for storage outside the hot zone.