Tabatha Hibbs, owner of Wild Cat Apothecary, makes herbal extracts in vegetable glycerin to combat allergy symptoms. “Some folks do extracts in honey, some in vinegar,” Hibbs said.

"If one did occur, symptoms might include redness ... "If you have extremely sensitive skin or a known allergy to glycerin, it's best to perform a patch test before using it widely," says Dr ...

According to the CDC, patients who have alpha-gal syndrome (AGS) will show symptoms ... gelatin, glycerin, magnesium stearate and bovine extract. “AGS is different from most food allergies ...