good question! the smallest GoToob+ are 1.7oz. These are the new ones with the lock cap. The smallest of the original GoToob (without the +) are the 1.25oz. I bought a set of the new GoToob+ and was disappointed at their squat wide shape. They are nice, but I like the original ones better. You can't go wrong with eith… see more good question! the smallest GoToob+ are 1.7oz. These are the new ones with the lock cap. The smallest of the original GoToob (without the +) are the 1.25oz. I bought a set of the new GoToob+ and was disappointed at their squat wide shape. They are nice, but I like the original ones better. You can't go wrong with either of them regarding product quality. Hope this helped see less good question! the smallest GoToob+ are 1.7oz. These are the new ones with the lock cap. The smallest of the original GoToob (without the +) are the 1.25oz. I bought a set of the new GoToob+ and was disappointed at their squat wide shape. They are nice, but I like the original ones better. You can't go wrong with either of them regarding product quality. Hope this helped
By R on March 17, 2018

While the range of chemicals used in modern cosmetic and personal care products makes comprehensive compatibility testing impossible, we have consistently noticed problems with the following chemical groups/product types and recommend against using them in a GoToob+:
-Alcohols (Note: Alcohols may be present in many co… see more While the range of chemicals used in modern cosmetic and personal care products makes comprehensive compatibility testing impossible, we have consistently noticed problems with the following chemical groups/product types and recommend against using them in a GoToob+:
-Alcohols (Note: Alcohols may be present in many cosmetic products, including make-up remover, mouth wash, astringent, hair serum, aftershave, and insect repellent). see less While the range of chemicals used in modern cosmetic and personal care products makes comprehensive compatibility testing impossible, we have consistently noticed problems with the following chemical groups/product types and recommend against using them in a GoToob+:
-Alcohols (Note: Alcohols may be present in many cosmetic products, including make-up remover, mouth wash, astringent, hair serum, aftershave, and insect repellent).
By Lewis N. Clark Manufacturer on September 17, 2018

I have not tried oil, but I don’t think oil is compatible with the materials.
By T. Briggs on August 27, 2020

No
By Elizabeth Rovira on March 1, 2020