The Ultimate Guide to Choosing the Right CPAP Mask
Using a CPAP mask is one of the most essential parts of successful sleep apnoea therapy. While the CPAP machineprovides the airflow to keep your airway open, the mask is what ensures comfort and consistency throughout the night.
A poorly fitting or uncomfortable CPAP mask can cause air leaks, dryness, or irritation—making it harder to stick with treatment. Choosing the right style and size for your sleep habits, facial structure, and comfort preferences can transform your therapy results and sleep quality.

Why CPAP Mask Fit Matters
A correctly fitted CPAP mask provides a stable seal and ensures that the right air pressure reaches your airway. This prevents air leaks, irritation, and discomfort while allowing uninterrupted airflow from your device. A proper fit also helps maintain consistent breathing, minimises noise, and prevents dryness caused by escaping air.
Conversely, a loose or tight fit can lead to poor therapy effectiveness and restless nights. Investing time in finding the right fit can make your sleep therapy more comfortable, effective, and sustainable.
The Three Main Types of CPAP Masks
1. Nasal CPAP Masks
Nasal CPAP masks cover only the nose and are best for people who breathe naturally through their nose while sleeping. They are lightweight, less bulky than full-face masks, and suitable for side sleepers.
Pros: Compact, comfortable, and suitable for long-term use.
Cons: Not ideal for mouth breathers unless combined with a chin strap.
2. Full Face CPAP Masks
Full-face CPAP masks cover both the mouth and nose. They are ideal for users who breathe through their mouth or experience nasal congestion. They are also suitable for higher pressure settings.
Pros: Maintains a strong seal, even for open-mouth breathing.
Cons: Can feel heavier or warmer; requires regular adjustment to prevent leaks.
3. Nasal Pillow CPAP Masks
Nasal pillow CPAP masks rest at the nostril openings and deliver airflow directly. Their minimal design is great for users with facial hair, glasses, or those who feel claustrophobic with larger masks.
Pros: Ultra-lightweight, minimal contact, and an open field of vision.
Cons: May cause nasal irritation or dryness in some users.
Key Factors When Choosing the Best CPAP Mask
Selecting the right CPAP mask requires considering several factors:
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Breathing Style: Mouth breathers benefit from full-face masks, while nasal breathers do well with nasal or nasal pillow masks.
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Sleep Position: Side and stomach sleepers often prefer low-profile designs like nasal pillows.
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Comfort and Seal: Choose materials like silicone, memory foam, or gel for better fit and comfort.
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Pressure Settings: Higher pressures often work best with full-face masks to prevent air leaks.
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Claustrophobia or Facial Hair: Nasal pillows are the best choice if you prefer minimal contact or have a beard or moustache.
Finding the Perfect CPAP Mask for You
Your ideal CPAP mask should feel comfortable, maintain its seal through different sleep positions, and allow you to breathe naturally. At CPAP Supply UK, we understand that finding the perfect fit can take time. That’s why we offer size guides, fitting templates, and replacement parts for every major brand.
Models such as the ResMed AirFit and Philips DreamWear ranges combine modern design with superior comfort and minimal leaks—helping you achieve consistent, effective sleep apnoea therapy.
Where to Buy CPAP Masks in the UK
If you’re searching for the best CPAP mask in the UK, CPAP Supply UK offers a full range from trusted brands including ResMed, Philips, and BMC. Each listing includes compatibility details, size charts, and replacement options.
Whether you’re new to therapy or upgrading an older mask, our expert team can help you compare models, select the right fit, and maintain your mask for long-term success.
Explore our collection online to find the perfect CPAP mask for your therapy and start sleeping better tonight.
Final Thoughts on Choosing a CPAP Mask
Your CPAP mask is the heart of your sleep therapy—it determines comfort, consistency, and effectiveness. The right fit ensures steady pressure delivery and prevents dryness, leaks, and irritation.
Take your time to try different mask types, check sizing charts, and adjust headgear until you find what feels right. With the right CPAP mask, you’ll enjoy deeper, uninterrupted sleep and improved control over sleep apnoea symptoms—night after night.