This key lime pie inspired aromatherapy play dough smells so good, you just might want to eat it. Lime essential oil is not an oil popularly advertised in aromatherapy usage, but it actually provides many aromatic benefits. It has been found to help promote mental clarity and encourage creativity. Making this the perfect quiet activity during homework/work breaks. Lime EO has also been proven to help improve your moods. The volatile oils in the peel have an instant effect on the brain by directly affecting the limbic system and in turn our memory and emotional response. The clean, fresh scent of lime is paired with the comforting, warm scent of vanilla, giving this play dough an added warm undertone. Vanilla has also been proven to enhance your mood.