For me the effectiveness of essential oils is more to prove. Ever since I discovered them I can not do without me. The scent of peppermint is really strong and my household is impeccable. I just wanted to recommend this seller. Delivery is always quick, neat and luckily because the position has literally trashed my package. The extras slipped into the package are highly appreciated. Sometimes the cheapest but ultimately the products we try I'd rather pay more and have a chouilla a seller as conscientious as the. A real pleasure.