5 gx 2 Pts = 10 g of Menthol crystals. Menthol is a blend of peppermint and Arvensis mint. ? Mint crystals or menthol glitter 100% vegetable L menthol. To decongest colds, to relieve pain. Usually used in warm water, it is also used in lip balms for a refreshing effect, menthol crystals are soluble in oil and alcohol and can be incorporated into making refreshing gels or balms. Menthol crystals have different applications due to their characteristic aroma, taste and cooling effect.