Heal's Botanicals Lemongrass Scented Candles Range. Heal's Lemongrass candles are filled with real lemongrass. Hand-poured in the UK these are made exclusively for Heals. The Pot Pourri features a subtle mixture of dried flowers freshly fragranced with lemongrass. The bright zingy citrus note of lemongrass oil come alive with these three room diffusers.