Fairy Dust is a special additional Harmony power. It is contained in the Harmony wings, as well as their Harmony pendants or a necklace around their necks. A fairy can use the dust on their wings or the dust in the fairy dust bottle.
- Negate/Undo dark spells - Most commonly used fairy dust power.
- Absorb attacks - Only shown when Emerald absorbed an attack from Ammut.
- Healing power - Used by Sugar to give back Emerald's strength in the Omega Dimension; Cinnamon used to cure her blindness after returning from Enchini.
- Remove dark qualities from a person's heart and helps the girls unlock their miniaturization.