Multi-functional applicator

1. A method for delivering ascorbic acid to the skin of a subject in need thereof comprising the steps of:

providing a single-use, disposable applicator; said applicator having a hollow body having a first compartment containing a solid vitamin-containing composition comprising ascorbic acid or its pharmaceutically acceptable sales or esters, a second compartment containing a pharmaceutically acceptable carrier system; wherein said hollow body includes a single longitudinal divider between said first compartment containing said vitamin-containing composition and said second compartment containing said pharmaceutically acceptable carrier system; said applicator having a means for mixing said solid vitamin-containing composition and said pharmaceutically acceptable carrier system to form an ascorbic acid carrier composition inside said hollow body by creating one or more predetermined localized openings in said longitudinal divider; said mixing means comprising one or more zones of weakness in said longitudinal divider or one or more puncture tips extending from an inner surface of said hollow body that are capable of puncturely engaging said longitudinal divider;

said applicator having an absorbent material positioned at a first end of said hollow body; and said applicator having an abrasive material positioned at a second end of said hollow body;

abrading said skin using said abrasive material;

mixing said solid vitamin-containing composition and said pharmaceutically acceptable carrier system together in said hollow body to form an ascorbic acid carrier composition;

applying said ascorbic acid carrier composition to said abraded skin; and

wherein said abrading step occurs before said mixing step.

2. The method of claim 1 wherein said divider has one or more zones of weakness; and wherein said mixing step comprises compressing, bending, or twisting said divider at said zone of weakness to form an opening in said divider.

3. The method of claim 1 wherein said mixing means comprises one or more puncture tips extending from an inner surface of said hollow body that are capable of puncturely engaging said divider, and wherein said mixing step comprises applying a compressing, bending, or twisting force against the puncture tips such that the tips puncturely engage said divider to form an opening in said divider.

4. The method of claim 1 wherein said providing step comprises providing said applicator in which said hollow body is impermeable to ultraviolet light.

5. The method of claim 1 wherein said providing step comprises providing said applicator in which said hollow body is translucent.

6. The method of claim 1 wherein said applying step comprises breaking a frangible seal at a terminal opening in said hollow body.

7. The method of claim 1 wherein applying step comprises applying said ascorbic acid carrier composition to wounded skin.

8. The method of claim 1 wherein said providing step comprises providing said ascorbic acid carrier composition having about 10 to 35 wt. % ascorbic acid.

9. The method of claim 1 wherein said providing step comprises providing said applicator in which said second compartment further contains one or more therapeutic agents, chelators, or pH regulators.

10. The method of claim 1 wherein said hollow body is impermeable to ultraviolet light.

11. The method of claim 1 wherein said wherein said mixing means comprises-one or more zones of weakness in said longitudinal divider.

12. The method of claim 1 wherein said mixing means comprises one or more puncture tips extending from an inner surface of said hollow body that are capable of puncturely engaging said longitudinal divider.

13. The method of claim 1 wherein said carrier system comprises water.

14. The method of claim 1 wherein said carrier system further comprises one or more organic solvents miscible with water.

15. The method of claim 1 wherein said carrier system further comprises one or more therapeutic agents, chelators, or pH regulators.

16. The method of claim 1 wherein said frangible seal closes a terminal opening in said hollow body, and further comprising the step of breaking said frangible seal.