//ws-na.amazon-adsystem.com/widgets/q?ServiceVersion=20070822&OneJS=1&Operation=GetAdHtml&MarketPlace=US&source=ss&ref=as_ss_li_til&ad_type=product_link&tracking_id=marinreiki-20&marketplace=amazon®ion=US&placement=B07F3VCK45&asins=B07F3VCK45&linkId=96250c645f95a56e970c0308b15c4b47&show_border=true&link_opens_in_new_window=trueOne of the best ways to have your essentials oils last longer is to mix them with fractionated coconut oil and keep them in rollerballs, that are made of glass and colored.