METHOD FOR PROMOTING AND MAINTAINING RESPIRATORY TRACT HEALTH

1 . A method for prophylaxis of cold or allergy symptoms, the method comprising the steps of:

providing a composition selected from the group consisting of isotonic solution and hypertonic solution;

providing an applicator configured to provide a metered amount of the composition to an interior portion of a nasal passage, wherein the applicator includes a mircofilter to prevent migration of microbial agents from an exterior portion of the applicator to the composition; and

applying the metered amount of the composition to the interior portion of the nasal passage to prevent the onset of cold or allergy symptoms.

2 . The method for prophylaxis of cold or allergy symptoms of claim 1 , wherein the step of providing a composition comprises providing a composition that is preservative free.

3 . The method for prophylaxis of cold or allergy symptoms of claim 1 , wherein the step of applying is performed in the absence of any cold or allergy symptoms.

4 . The method for prophylaxis of cold or allergy symptoms of claim 1 , wherein the step of providing a composition comprises providing a composition comprising a buffering agent.

5 . The method for prophylaxis of cold or allergy symptoms of claim 1 , wherein the step of providing a composition comprises providing a composition comprising a plurality of buffering agents.

6 . The method for prophylaxis of cold or allergy symptoms of claim 1 , wherein the step of providing a composition comprises providing a composition comprising an essential oil.

7 . The method for prophylaxis of cold or allergy symptoms of claim 1 , wherein the step of applying is performed after cold or allergy symptoms have subsided.

8 . The method for prophylaxis of cold or allergy symptoms of claim 1 , wherein the step of applying comprises spraying.

9 . The method for prophylaxis of cold or allergy symptoms of claim 1 , wherein the step of providing a composition comprises providing a composition comprising about 80 wt % to about 99 wt % purified water.

10 . The method for prophylaxis of cold or allergy symptoms of claim 1 , wherein the step of providing a composition comprises providing a composition comprising about 1 wt % to about 5 wt % salt.

11 . The method for prophylaxis of cold or allergy symptoms of claim 1 , wherein the step of providing a composition comprises providing a composition comprising about 1 wt % to about 5 wt % sodium chloride.

12 . The method for prophylaxis of cold or allergy symptoms of claim 1 , wherein the step of providing a composition comprises providing a composition comprising about 0.001 wt % to about 2 wt % buffering agent.

13 . The method for prophylaxis of cold or allergy symptoms of claim 12 , wherein the step of providing a composition comprises providing a composition comprising about 0.001 wt % to about 1.5 wt % dibasic sodium phosphate.

14 . The method for prophylaxis of cold or allergy symptoms of claim 13 , wherein the step of providing a composition comprises providing a composition comprising about 0.001 wt % to about 1 wt % potassium phosphate monobasic.

15 . The method for prophylaxis of cold or allergy symptoms of claim 12 , wherein the step of providing a composition comprises providing a composition comprising about 0.001 wt % to about 1 wt % potassium phosphate monobasic.

16 . The method for prophylaxis of cold or allergy symptoms of claim 1 , wherein the step of providing a composition comprises providing a composition comprising about 0 wt % to about 0.1 wt % essential oil.

17 . The method for prophylaxis of cold or allergy symptoms of claim 1 , wherein the step of providing a composition comprises providing a composition comprising about 0 wt % to about 0.1 wt % spearmint oil.

18 . The method for prophylaxis of cold or allergy symptoms of claim 1 , wherein the step of providing a composition comprises providing a composition comprising about 0 wt % to about 0.1 wt % moisturizing agent.

19 . The method for prophylaxis of cold or allergy symptoms of claim 1 , wherein the step of providing a composition comprises providing a composition comprising about 0 wt % to about 0.1 wt % aloe vera.

20 . A method for preventing onset of cold or allergy symptoms, the method comprising the steps of:

providing a composition consisting essentially of about 80 wt % to about 99 wt % purified water, about 1 wt % to about 5 wt % salt, about 0 wt % to about 1.5 wt % of a first buffering agent, about 0 wt % to about 1 wt % of a second buffering agent, about 0 wt % to about 0.1 wt % moisturizing agent, and about 0 wt % to about 0.1 wt % of an essential oil;

providing an applicator configured to provide a metered amount of the composition to an interior portion of a nasal passage, wherein the applicator includes a mircofilter to prevent migration of microbial agents from an exterior portion of the applicator to the composition; and

applying the metered amount of the composition to the interior portion of the nasal passage to prevent the onset of cold or allergy symptoms.

21 . A method for preventing onset of cold or allergy symptoms, the method comprising the steps of:

providing a composition cpnsosting essentially of about 80 wt % to about 99 wt % purified water, about 1 wt % to about 5 wt % sodium chloride, about 0 wt % to about 1.5 wt % dibasic sodium phosphate, about 0 wt % to about 1 wt % potassium phosphate monobasic, about 0 wt % to about 0.1 wt % aloe vera, and about 0 wt % to about 0.1 wt % of spearmint oil;

providing an applicator configured to provide a metered amount of the composition to an interior portion of a nasal passage, wherein the applicator includes a mircofilter to prevent migration of microbial agents from an exterior portion of the applicator to the composition; and

applying the metered amount of the composition to the interior portion of the nasal passage to prevent the onset of cold or allergy symptoms.