Lemon Drops & Phoenix Ashes in Dumbledore's candle.
Draco's is made of Wintergreen and the Dungeon Common Rooms
Harry: Pumpkin Juice, Butterbeer, and Broomsticks
Hermione: New Parchment, Fresh Cut Grass, & Spearmint Toothpaste
And if Potter candles weren't enough, there are others too:
Professor Moriarty: Spicy Apple Cinnamon
Sherlock Holmes: Tobacco, Clean Clothes, & Old Books
Doctor Who: Bananas with a hint of danger
It doesn't say what's in the death star candle... should we be worried?
And while we're on the subject of candles, check out this Etsy shop's literary candle collection:
Winterfell from Martin's A Song of Ice and Fire series
The Shire from Tolkein's Lord of the Rings trilogy
Dumbledore's Office from Rowling's Harry Potter series
Cliffs of Insanity from Goldman's The Princess Bride
Conclusion: People are awesome.