How do you determine when to stop using a questionable raw material?

First, we always comply with the legal and regulatory requirements where our products are sold. Beyond that, our Greenlist™ process includes rating each raw material on a scale of 3 to 0. An ingredient rated 3 is considered “Best,” 2 is “Better,” 1 is “Acceptable” and 0-rated materials are used only on a limited, approved basis. If we can, we will replace a lower-rated material with a higher-rated one. This process helps us go beyond regulatory requirements to make our products continually better.