The peel oil is used as a wood cleaner and polish, where the solvent property of d-limonene is employed to dissolve old wax, fingerprints, and grime.
A halved lemon dipped in salt or baking powder can be used to brighten copper
cookware. The acid dissolves the tarnish and the abrasives assist the cleaning.
As a sanitary kitchen deodorizer the juice can deodorize, remove grease, bleach stains.