Why does my CPAP mask leave red marks or cause soreness?Updated 2 months ago

Red marks and soreness are usually caused by:

• Over-tightening the mask straps.
• Using the wrong mask size.
• A rigid cushion material that doesn’t conform well to your face.

To prevent this, try loosening the headgear slightly, switching to a softer cushion (e.g., memory foam), or using mask liners to reduce pressure points.