Register or log into your Social Nature account to see if you can possibly score a FREE Soapbox Vitamin Complex Shampoo Product! Plus, be sure to check out the other products you can possibly sample. Once you’re signed in, simply click on the items you’re interested in and click “Apply to Try” to apply. You’ll be notified via e-mail if you are selected for a product test. If selected, they’ll ask for your honest opinion in exchange for the freebie.