The short answer is NO!
We strongly advise against the use of an alternative brand of essential oils unless the seller can verify their product is certified for use as a cosmetic product Steam mixed with essence carry different properties – it can and does break down chemical contents of the original constituents. This can lead to harmful reactions to many body parts such as and not limited to, eyes, skin irritation, respiratory problems. ALWAYS CONSULT A DOCTOR BEFORE USE OF ESSENCES IF UNSURE.
Insignia essences are trailed and tested for use with steam. Containing high natural organic contents not as many which are chemically manufactured in laboratories. We Insignia know of no licenses obtained for steam use. Insignia essences have cosmetic licenses as set by the E.U. NEVER USE synthetic-based essences and ALWAYS check a full EU license is obtained for cosmetic purpose before purchase.