Hello
น้ำมันหอมระเหย are soluble in oils. (in this case it is
Grapeseed Oil ,
Rose Hip Oil ) got it, no problem, but the usage rate that members wish to use The team was worried that May irritate my skin (
น้ำมันหอมระเหย some types irritate my skin) for Subject
สารกันเสีย because the formula contains only oil. There is no water in the composition. Members do not need to add.
สารกันเสีย