what is dipropylene glycol used for?
The strength of a perfume can be changed by raising or lowering the ratio of dipropylene glycol in the formula. What are the different grades of Dipropylene Glycol? Dipropylene Glycol (DPG) comes in two grades: fragrance grade (DPGF) and industrial grade. Dipropylene glycol, fragrance grade is commonly used as a carrier for fragrances.