Feb 2nd 2023 This or That: Rose Absolute vs Bulgarian or Turkish Rose OttoPosted by Dr. Christoph Streicher and Samantha A.
Dec 29th 2022 This or That: Himalayan Cedar, Cedar Atlas, or Virginia CedarPosted by Dr. Christoph Streicher and Samantha A.
Dec 8th 2022 This or That: Extra, 3 Superior, or Complete Ylang YlangPosted by Dr. Christoph Streicher and Samantha A.
Nov 17th 2022 This or That: Cineol 1.8, Camphor Borneol, or Verbenone RosemaryPosted by Dr. Christoph Streicher and Samantha A.
Nov 3rd 2022 This or That: Sweet Marjoram versus Spanish MarjoramPosted by Dr. Christoph Streicher and Samantha A.
Oct 27th 2022 This or That: Sweet, Bitter, or Blood OrangePosted by Dr. Christoph Streicher and Samantha A.
Oct 19th 2022 This or That: Lemon versus Lemon SpataforaPosted by Dr. Christoph Streicher and Samantha A.