I recently attended a perfume making vocational course this month. It was interesting, more of a hands on experience than anything else. The lecturer was well informed and knew a lot about soapmaking and perfumery. There was a bit of confusion with the formulas we were given though since grams and mL were used interchangeably during the discussions. For home makers its not such a big issue since we don’t need to meet regulatory standards.
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Done It From Scratch 