First, 5 milliliter is about 0.169 oz.
Second, what exactly does it do? It web site writes “Rose oil helps balance moisture levels in skin, reduce the appearance of skin imperfections, and promote a healthy-looking and even skin tone. Uses Combine one to two drops with the doTERRA moisturizer of your choice and apply to the face, neck, and décolletage.”
Here is a friend in Shanghai who’s into this – probably a distributer, who wrote today: 这个一定要和圈里的朋友们分享[得意][得意]玫瑰纯油来啦～不需要帮大家从美国背回来了,重点是买玫瑰还送檀香！10点开抢！！！大家醒醒啦
Good luck to these who use it …