FREE Garnier Anti-Dandruff Shampoo Sample July 27, 2011 This post may contain a link to an affiliate. See my disclosure policy for more information. Garnier has a new sample offer on their Facebook page! You can grab a FREE sample of Garnier Anti-Dandruff Shampoo. Choose from Clear Control or Mint Cleanse. Allow 4-6 weeks for delivery. Thanks, Freebie Shark!