Because they are thin enough to go along diffuser reeds or bamboo skewers! Mineral oils like sweet almond oil or safflower oil are frequently the most popular because they swiftly let your area fill with the aroma of your choice.
Based on absorption rate, the top four carrier oils for reed diffusers are:
1.Abyssinian
2.Baobab
3.Hazelnut
4.Rosehip