Is it okay to use castor oil as a skin primer? And what’s the best way to use it? What Is A Skin Primer? A skin primer is an important makeup product that is used on the skin right before you apply all your other makeup. So many people actually DON’T know that the secret to vivid, stunning and long lasting makeup is simply by using a primer! Castor Oil As a Skin Primer Now , there are so many luxury and drug store primers out there but they are usually in super tiny packs (I wonder why!) and are super expensive. I never used primer before because I heard it can clog your pores (and it’s Continue Reading