spiritual beliefs.
What Supporters Say
Advocates claim that lemon and salt can freshen the air, improve mood, repel insects, and even spiritually cleanse a living space. Some of these claims have a reasonable practical explanation, while others have little or no scientific support.
Scientific and Practical Effects
Fragrance and Odor Control
The most obvious reason a room may seem fresher is the lemon’s aroma. Lemon peel contains volatile oils, including limonene, which give citrus its characteristic fresh scent. However, placing a cut lemon in a room does not remove odors
