What Is EVCO? This is the abbreviation for Extra Virgin Coconut Oil which is used to add shine to hair as well as to seal in moisture. It has the ability to penetrate the hair shaft which most other oils cannot do. POSTS RELATED TO THIS TERM Coconut Oil Acts Like A Protein – The Truth Behind It All Soaking Your Hair With Coconut Oil Prior To Bleaching Can Be A … Which Is Better? Coconut Oil Or Castor Oil? TweetPinShare0 Shares Home » Glossary » E » What Is EVCO?