These are very strong on the menthol. Menthol crystals may reform, especially in the Eucalyptus Mint Steamers. They reform looking like fiberglass on the outside of the steamer. They are still completely safe to use.
Ingredients: sodium bicarbonate (baking soda), citric acid, corn starch, potassium bitartrate (cream of tartar), menthol, essential oil
Eucalyptus Mint: essential oils of Eucalyptus & Peppermint; Lavender: lavender essential oil; Citrus: essential oils of grapefruit, lemon, orange & eucalyptus
Net wt: 2 oz (57g), Dimensions: 2.25" circle x 7/8"
Packaging: foil with paper label