I\'ve been study aromatherapy also, for a short period, I agree some of the oil can be identify by the smell, but there should be some certification to identify the quality of the oil?
我個d叫小學雞水準,唔算有咩研究,只係平日比較八,會問吓有專業知識既朋友們,佢地又唔怕我煩佢地,肯答我,咪知多dd。
Young living油靚,我本身都有佢地既精油,所以知,效果用出來,靚既精油同唔靚真係有分別。以我所知Yoing living本身就係一間芳療級精油既供應商(現在有無變就無留意了),應該無乜人會話佢既油唔好。不過佢價錢真係唔平,我都唔敢聞太多,怕忍唔住買得多。