Do you want your scented candle to be unique? Add a special shade for scented candles to it. Candle shades were created to improve candle burning conditions, as well as to protect against drafts and other adverse conditions. In addition, the shade for scented candles is the best way to decorate a scented candle. For example, diffusers for Woodwick scented candles are metal or glass, beautifully diffuse light and improve combustion conditions.