Sterimar Isotonic Nasal Hygiene Nasal Spray 100ml
- Gentle daily nasal hygieneIsotonic seawater matched to your body, for everyday cleansing and moisturising.
- Washes away irritantsHelps clear dust, pollen and allergens from the nasal passage.
- Moisturises dry passagesSoothing relief for a dry or irritated nose.
- Drug-free & preservative-free100% natural seawater, suitable for regular, long-term use.
- For the whole family · 100 mlGentle enough for regular daily use (check age guidance on the pack).
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- Money-back guaranteeEasy returns if it isn't right
- Free shipping over $80On U.S. orders over $80
- FSA/HSA eligiblePay with pre-tax health dollars
Sterimar Isotonic Nasal Spray uses 100% natural sea water to gently cleanse and moisturize nasal passages. Suitable for daily nasal hygiene for adults and children.
- 100ml bottle (3.38 fl oz)
- Isotonic natural sea water formula
- Suitable for daily use
About Stérimar Isotonic (Daily Nasal Hygiene)
What it is & how it helps
Stérimar Isotonic is a 100% natural seawater nasal spray with a salt concentration matched to your body's cells. That makes it gentle enough for everyday nasal hygiene, washing away dust, pollen and allergens, moisturising the nasal lining and helping you breathe more comfortably. It's drug-free, steroid-free and preservative-free, so it suits regular, long-term use.
When to use it
Use Isotonic for:
- Daily nasal cleansing and moisturising
- Removing dust, pollen and airborne allergens
- Relief from a dry or irritated nose
For a blocked, congested nose, the Hypertonic version is designed to decongest.
How to use
- Tilt your head slightly forward.
- Insert the nozzle into one nostril.
- Spray while breathing in gently.
- Repeat in the other nostril, then blow your nose.
- Use 2-6 times a day in each nostril, for as long as you need.
Frequently asked questions
What's the difference between Isotonic and Hypertonic?
Isotonic matches the body's salt for gentle daily hygiene and moisturising; Hypertonic has more salt to decongest a blocked nose.
Does it contain medicine or steroids?
No. It's drug-free, steroid-free and preservative-free natural seawater.
How often can I use it?
2-6 times a day in each nostril, and it's suitable for regular, long-term use.
Can children or babies use it?
The isotonic formula is gentle, but always follow the age guidance on the pack and choose the right format for young children.
Does it help with allergies and hay fever?
It helps rinse pollen, dust and allergens from the nasal passage, which many people find helpful during allergy season.
Will it help a dry nose?
Yes. It moisturises the nasal lining, easing dryness and irritation.
How big is the bottle?
100 ml, delivered as a fine micro-diffusion mist.
Is it FSA/HSA eligible?
Saline nasal sprays are generally FSA/HSA-eligible over-the-counter products. Check your plan if unsure.