What is ACV? ACV stands for Apple Cider Vinegar. This is often used as a rinse after shampooing and just before conditioning in order to real and tighten the hair’s cuticle for added shine and smoothness. POSTS RELATED TO THIS TERM Hair Care And Organic Apple Cider Vinegar Try This Homemade Apple Cider Vinegar Mix To Detangle Your Hair Apple Cider Vinegar and Baking Soda Might be Damaging Your Hair Related Posts:What Are Cones?What Does DC Or DT Mean?What is A BKT?What is the LOC or LCO method?What Is EVOO?What Does HH Mean?What is SLS?What Are Lace Wigs, Lace Front Wigs And Full Lace Wigs? TweetPinShare0 Shares Black Hair Information > Glossary > What is ACV?