Description
What Are Menthol Crystals and What Are They Used For?
Menthol Crystals are a natural decongestant derived from peppermint oil. When dissolved in hot water, they release strong, cooling vapours that help clear blocked noses, ease sinus congestion, and support easier breathing.
They can also be added to steam inhalations, baths, or oil burners to provide refreshing respiratory relief and a soothing aromatherapy effect.
Key Benefits
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Clears blocked noses and sinus congestion fast
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Provides natural cold and flu relief
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Helps ease catarrh, hay fever, and allergy symptoms
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Derived from peppermint oil – 100% natural
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Can be used for steam inhalation or aromatherapy
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Leaves a refreshing menthol scent for clear breathing
How Do Menthol Crystals Work?
Menthol Crystals work by releasing vapours that stimulate the cold receptors in your nose and airways.
This helps create a cooling sensation that opens the nasal passages, making breathing easier and providing relief from sinus pressure, colds, and allergies.
Menthol vapour also acts as a mild antiseptic, helping soothe irritated nasal tissues and reduce inflammation caused by congestion or infection.
How to Use Menthol Crystals
Always follow usage guidance carefully. Menthol Crystals are for inhalation only – do not swallow.
For Steam Inhalation
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Add a few crystals (roughly the size of a pea) to a bowl of hot (not boiling) water.
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Lean over the bowl, cover your head with a towel, and inhale the vapours deeply for 5–10 minutes.
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Keep your eyes closed to avoid irritation.
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Repeat up to 3 times a day as needed.
For Aromatherapy or Room Fragrance
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Add a small amount to a diffuser, vaporiser, or bowl of hot water to fill the room with refreshing menthol vapour.
For Bath Use (Adults Only)
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Dissolve a few crystals in bath water to help ease congestion and muscle tension.
Before Using Menthol Crystals
Check the following before use:
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Do not swallow or apply directly to skin or mucous membranes.
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Do not use in infants under 3 years old.
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Avoid contact with eyes and sensitive skin.
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Speak to your doctor or pharmacist before use if you are:
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Pregnant or breastfeeding
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Asthmatic or sensitive to strong vapours
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Allergic to menthol or peppermint oil
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Always read the patient information leaflet for full instructions, warnings, and safety information.
For further guidance on treating non-allergic rhinitis or nasal congestion, visit the NHS website.
Ingredients
Each pack contains 100% pure Menthol Crystals (Menthol BP/USP Grade) – derived from peppermint oil.
No artificial additives, preservatives, or fillers.
Possible Side Effects
Menthol Crystals are generally safe when used correctly. However, overuse or misuse may cause:
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Temporary eye or throat irritation
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Coughing or shortness of breath from excessive vapour strength
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Skin irritation if handled directly
If irritation persists, stop using and seek medical advice.
Storage Instructions
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Store in a cool, dry place away from heat and sunlight.
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Keep the container tightly closed when not in use.
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Keep out of sight and reach of children.
Frequently Asked Questions
How often can I use Menthol Crystals?
You can use menthol inhalation up to 3 times per day, depending on symptom severity.
Can children use Menthol Crystals?
Menthol Crystals are suitable for children over 3 years under adult supervision. Do not use near infants.
Can I use Menthol Crystals during pregnancy?
Consult your doctor or pharmacist before using if pregnant or breastfeeding.
Can I mix Menthol Crystals with Olbas Oil or Vicks?
It’s not recommended to mix products. Use one inhalant at a time to avoid overwhelming vapours.
What if I accidentally swallow Menthol Crystals?
Do not induce vomiting. Seek immediate medical advice or contact your nearest A&E department.

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