Henna designs, also known as mehndi, aren't just for decorating your skin. Painting henna art onto candles adds an inexpensive touch of India to your decor. The same henna cones used to draw temporary tattoos work for candles, too. The most common type of candle used for henna designs is a white or ivory pillar candle, because you have a lot of space to draw and the light background shows off the design well. After your henna candle is dry, you'll need to seal the design with either decoupage medium or spray sealant.