I have had so many emails regarding how to test fragrances for use in Gel Wax, I have decided to post the instructions in this guide.

POLARITY TEST FOR FRAGRANCE OIL: This test mixes white mineral oil (food grade from drug store or grocery store, probably would be found in the laxative section) with fragrance oil to determine whether it is non-polar or polar. This test follows the recommended test by the Penreco Corporation.

The two part polarity test:
Before testing, make sure that your glassware is completely clean and thoroughly dry. Also make sure you know what the straight mineral oil looks like in the glassware you intend to use for the test, as it is possible to have a false reading because you are unfamiliar with what the oil looks like plain in the glassware.

Part One: Take 3 parts (for example 3/4 teaspoon) fragrance oil (fo) and add it to 1 part (1/4 teaspoon) mineral oil. Mix the solution thoroughly. If it clouds while you mix it, but then clears as you continue to mix it, it means there are polar elements in the fragrance oil which are being overridden by the non-polar elements. If it clears while you mix it, let it sit for 4 to 5 minutes (NO LONGER). If there is any separation of the oils, or if it stays cloudy, it is polar and may not be considered safe for use in gel. Look at the mixture from the side and check for a line. The line will be where the oils have separated. If the mixture remains clear, go on to the next part of the test.

Part Two: Add 8 parts mineral oil (following above measurements, example 2 teaspoons) to the mixture you already have and mix thoroughly. Again watch for clouding. If the clouding clears up as it is mixed let it sit for no more that 5 minutes, then check for separation. If cloudiness or separation happen in either stage, and does not clear up with mixing, then scent should be considered polar and not safe for gel.

Remember that the gel candle industry is ever growing and changing as more and more information is made known to us. We are all at different stages of knowledge and experience, but we are all still learning. Once the safety basics are learned and followed, the sky is the limit as far as designing candles. Each person has his or her own unique style, taste and likes. Be sure to test your wicks to find what works best for you (wick size is determined by the opening of your glassware), your wick should be attached to the bottom of a container, centered and totally straight and always test your glassware, and test burn your designs.

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