Squalane can be used alone. As for
Centella Asiatica ; Solubility: soluble in water , dispersed in cream or gel , dispersed in starch , dispersed in
ซิลิโคน which is insoluble in oil. yes
Avena sativa (Oat) Extract can be used instead. help with redness I'm irritated Able to study detailed mixing/solubility You can find it on the raw materials page.