Apply to hands and breathe deeply, diffuse for a bright, uplifting atmosphere, or to eliminate unwanted odors.
Lemon oil, and blends that contain it, will dissolve plastic or adhesive residue. Apply a drop, use a paper towel to wipe away the residue, then repeat. For the same reason, use care when storing homemade solutions that include lemon oil. Citrus oils, when diffused in dental offices, increase the peace felt by patients. D-limonene, the primary ingredient in citrus oils, has been correlated with increased kindness and honesty when diffused in sub-olfactory levels (see The Smell of Virtue, Liljenquist, BYU).