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Review on 🌺 Chemical Essentials for Creating Fragrances: Colognes and Perfumes by Mark Sergio

Revainrating 5 out of 5

These don't work! They should not be advertised for use with oils.

You must have tested them with water. Even the thinnest oil will NOT come out of the hole! I guess I should have checked that it was euro drops and not just a hole in the plastic. physics folks!

Pros
  • GOLS certificate
Cons
  • Big and bulky