CMC–Part of our daily lives.

CMC is a widely used, multipurpose additive that is found in many products that consumers come into contact with on a daily basis, from food to cosmetics and lotions. It is also reassuring to know that as a food additive, CMC has a GRAS (generally recognized as safe) rating by the FDA.2

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Get RAPID RHINO Information

CMC Technology – Available exclusively in RAPID RHINO ENT Products.

Only Smith & Nephew offers the RAPID RHINO portfolio with an exclusive formulation of CarboxyMethyl Cellulose (CMC), a plant-derived material. When mixed with water, it forms a cushioning hydrocolloid gel that naturally drains from the body after several days.

Natural CMC Technology offers multiple patient care advantages, giving healthcare professionals the utmost confidence as it:

  • Helps minimize bleeding and edema during surgery – designed to minimize intra- and post-op oozing
  • Fills space and acts as a moist physical barrier between mucosal surfaces to prevent painful
    adhesions after surgery or trauma
  • Is not associated with hypersensitivity in patients

All strong reasons to make RAPID RHINO products with CMC Technology your first choice.


The right fit, no matter what size anatomy

  • Ultra low profile design provides unsurpassed ease of insertion and quickly conforms to nasal anatomy1
  • Provides gentle and even compression to areas of epistaxis
  • Designed to prevent adherence to tissue or blood clots upon removal
  • Unilateral and bilateral options with or without an airway
  • Fits both large and small patient anatomy


  1. Singer AJ, Blanda M, Cronin K, LoGiudice-Khwaja M, Gulla J, Katz A. Comparison of nasal tampons for the treatment of epistaxis in the emergency room department: a randomized controlled trial. Ann Emerg Med. 2005; 45(2):134-139
  2. Cooper, Monica. CMC Considerations for 505(b)(2) Applications. FDA/CDER/OPS/ONDQA AAPS Annual Meeting Washington, D.C. October 2011. Retreived from: http://www.fda.gov/downloads/aboutfda/centersoffices/officeofmedicalproductsandtobacco/cder/ucm301043.pdf