Hello, the concentration of
น้ำหอม does not specify how many % must be tested. what rate to the intensity of the smell and the age of the scent suitable as required
แอลกอฮอลล์ recommended
แอลกอฮออล์เกรดน้ำหอม will not have a disturbing smell.
น้ำหอม Weighing should use a weighing scale, not measuring, it will be more accurate.
น้ำหอม should be packaged in glass bottles. because it often reacts with plastic Depending on the components in
น้ำหอม that will react with plastic or not. Most of them choose glass packaging. So that there is no need to test whether there are any problems with the plastic or not.