Step 1: Use half a lemon and add a teaspoon of baking powder on top of the lemon.
Step 2: Rub the lemon and baking powder directly onto your copper jewellery and rub until the colour starts to brighten.
Step 3: Rinse off with water and dry thoroughly with a cloth
Step 4: Polish with a polishing cloth until the item is shiny.
Step 5: If you wear your jewellery in water make sure to repeat step 3 and 4 afterwards.
Step 6: Store items in jewellery bag when not in use.