Lavender and tea tree oil are present in an increasing number of commercial products. Pre-pubertal boys who regularly use products containing lavender oil or tea tree oils may develop breasts, a ...

Astudy published in The New England Journal of Medicine in 2007 found that three healthy pre-pubertal boys had larger breasts after using products containing lavender or tea tree oils.

Lavender makes boys grow breasts: study Thursday, 1 February 2007. Researchers say the lavender and tea tree oils found in some soaps, shampoos, hair gels and body lotions can pro ...

Lavender oil and tea tree oil contain compounds that act like female sex hormones and interfere with male hormones, researchers have determined. PURPLE POSE.

Pre-pubertal boys who regularly use products containing lavender oil or tea tree oils may develop breasts, a study says, but the effects fade when they stop using the products.