Lavender: The Grower's GuideThe idea of using lavender is so appealing - peace, calm, tranquility. Perfect for the little monster that lives within four-year-old boys. But maybe lavender’s effects are a little more than what we’d planned for.

A recent study in the New England Journal of Medicine describes a few isolated cases of boys who developed breasts after using lavender and tea tree oils on their skin. Later, laboratory tests found these oils to promote estrogen (female hormone) and inhibit androgen (male hormone) activity. Once they stopped using the oils, their bodies returned to normal.

I would have been inclined to think they were using highly concentrated oils but according to the report, the boys were using lavender-scented skin lotions, soap, shampoo, and/or hairstyling gel. Very odd.

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