the glycerin glitch
Glycerin is so useful because it’s hygroscopic, meaning that it pulls moisture from nearby sources. This means its place in hair and skin products helps to draw moisture from the air to your hair and skin. In this way, it serves as a humectant that keeps things moist. However, under certain conditions, glycerin can act as a desiccant that absorbs water to keep things dry. Wait...what?
Not to worry. Frequent application of plain glycerin to the skin, especially in very dry climates, does have the potential to strip skin of moisture rather than retain it. But infused with certain botanicals, such as lavender, calendula or lemon balm, a glycerite can be soothing and softening when used topically. And remember: glycerites can safely be taken with tea or juice, too. Peppermint, cleavers, hawthorn berry glycerites are just a few candidates for consumption.
the method
Whenever possible, fresh herbs are preferred for making glycerites. Just be sure to harvest plant material after the morning dew has dried. You can also use dried herbs, but you’ll need to reconstitute them by diluting the glycerin with water. Glycerin-to-water ratios can vary depending on the material used, but the standard for optimum extraction and protection from the development of pathogens is at least 55% glycerin (but we’re going to use 75%, or 3:1). Fresh herbs can be infused in 100% glycerin.
To make the glycerite, place the herb(s) in a clean mason jar – if using fresh, cover completely with glycerin, leaving an inch-headspace at the top; if using dried, cover with 3 parts glycerin to one part water (i.e., ¾ cup glycerin to ¼ cup water). While adding the liquid, muddle the plant material with a chopstick or other tool to “loosen up” the herb and remove air bubbles. Replace the lid, label and place in a cool, dark place for 4-6 weeks, adding more glycerin if the herbs rise above the liquid at any time. Strain through several layers of cheesecloth or a mesh strainer (use a paper filter for powdered herbs), reserving the precious liquid in a bowl. Transfer the glycerite to clean glass bottles with droppers, label and store in a cool place away from direct sunlight. Use within 24 months.