Reply To: Materia Medica
Hi Kimberly,
Ultimately both balsam poplar bud oil and arnica oil (not the essential oil however) are safe to use topically occasionally during pregnancy, just make sure you do not have broken skin at the site of application.
Often resources may send you to other options out of an abundance of safety. Otherwise arnica should never be taken internally (unless it is homeopathic), but yes, both of these plants are safe externally during pregnancy.
With warmth,
Benna