Free Sample of Nexxus Color Assure 06/17/2014 By MFA 1 Comment This post may contain affiliate links, please see my disclosure policy. You can request a free sample of Nexxus Color Assure. These little packets are great for traveling or trying something new. Just click on each product tab to “unlock” the sample and then you will be able to click on the Get Sample tab. Head over here to get started.