Objective: How to clean your jewelry.

Which of the following solutions is more sound in terms of naive physics reasoning?

Select from:
(i). Coat jewelry in toothpaste and let it set for an hour. Use and old toothpaste to scrub the jewelry. Rinse with water and dry.
(ii). Spray the jewelry with hairspray and let it set for an hour. Use and old toothpaste to scrub the jewelry. Rinse with water and dry.
(i).