🌿 Benefits of Rosemary for Sinus Decongestant: The strong, pine-like aroma of rosemary essential oil can help open up nasal passages and reduce congestion. Anti-inflammatory: Rosmarinic acid helps reduce swelling in sinus tissues, easing pressure and pain. Antimicrobial: Its natural antibacterial and antifungal effects may help fight infections that aggravate sinus problems. Improved circulation: Can boost blood flow in sinus areas, helping clear mucus buildup. 🌸 Ways to Use Rosemary for Sinus