Enovid nasal spray — sold as NoWonder™ in the United States — contains six ingredients: purified water, sodium chloride, citric acid, hypromellose (HPMC), sodium nitrite and benzalkonium chloride. There are no steroids, no antihistamines and no decongestants in the formula.
What is in Enovid nasal spray?
The full ingredient list, as printed on the carton and in the user guide:
- Purified water (Aqua)
- Sodium chloride
- Citric acid
- Hypromellose (HPMC)
- Sodium nitrite
- Benzalkonium chloride
All six are widely used in food, cosmetic and personal care products and have long-standing safety records. The formula is identical whether the bottle is labelled Enovid or NoWonder — only the brand name and the regulatory classification differ between markets.
What does each ingredient do?
| Ingredient | Role in the formula |
|---|---|
| Purified water (Aqua) | The base the other ingredients are dissolved in. |
| Sodium chloride | Ordinary salt. Balances the solution so it is comfortable against the nasal lining. |
| Citric acid | Lowers the pH of the solution. This is what allows the nitrite to release nitric oxide at the moment of use. |
| Hypromellose (HPMC) | A cellulose-based thickener. It gives the liquid its body so it spreads across the nasal passages instead of running straight out. |
| Sodium nitrite | The nitric oxide source. When the two chambers mix during priming, the acidified solution releases nitric oxide — the same molecule the body produces naturally in the nasal passages. |
| Benzalkonium chloride | A preservative. It keeps the solution stable through the life of a multi-use bottle. |
Is HPMC the same as hypromellose?
Yes. HPMC stands for hydroxypropyl methylcellulose, and hypromellose is its shortened pharmacopoeial name. Both appear on Enovid and NoWonder packaging depending on the market, but they refer to exactly the same ingredient.
Why does the spray come out as a liquid rather than a mist?
The hypromellose gives the solution more body than a typical saline mist, and the nose spray is designed to deliver a flow of liquid that washes the nasal cavity rather than a fine aerosol. If you were expecting a mist, your bottle is not defective. See how to use Enovid nasal spray for the full priming and application steps.
Does Enovid contain steroids, antihistamines or decongestants?
No. The formula contains none of these, and no graphene. It does not cause drowsiness, and it is not a drug or a medicine. In the United States, NoWonder is sold as a cosmetic nasal cleanser.
Who should not use it?
Do not use the product if you are sensitive to any of the ingredients listed above. It is intended for adults and children over 12 years of age; for children under 12, consult a physician. The product has not been studied in pregnant women and is currently contraindicated during pregnancy and breastfeeding — speak to a healthcare provider if this applies to you. The bottle is intended for single-person use and should not be shared.
Where can I find the complete ingredient and safety information?
The full user guide is included in every box and is also available online. It covers storage, cautions, contraindications and complete product information. Read the complete user guide before using this product.
BuyEnov.com is an official global retailer of Enovid nasal spray, now available as NoWonder™ in the US.
