The LOC Method is a three-step process that helps improve moisture retention by layering products starting from the lightest density and building up to the heaviest. This process helps to seal moisture on your hair. Porosity level, hair type and your individual hair needs will help determine which will yield best results--LOC or LCO. Let us know in the comments what method works best for your hair and your favorite African Pride combos! Grab all your LOC needs on Amazon now!!