What is the six month money back guarantee? Team REVIAN October 28, 2020 18:50 Updated REVIAN's 100% money back guarantee is detailed within the Terms of Sale all customers must read and agree to prior to completing a purchase on REVIAN.com Related articles REVIAN Money Back Guarantee How long will it take to see results? Can the REVIAN RED system be used with wet or damp hair? Will REVIAN hurt or damage my eyes? Is REVIAN FDA Cleared or Approved? What is the difference? Comments 0 comments Please sign in to leave a comment.