Bath salts eucalyptus essential oil Whirlpool friendly High content of pure and natural thermal spring salt - ideal for use during cold, flu and allergy seasons Kneipp Cold Season Eucalyptus Bath Crystals will help you to enjoy a moment of relief when feeling under the weather. Made with essential oil of eucalyptus to provide a pleasant, refreshing aroma to stimulate the mind. Eucalyptus oils are obtained from fresh eucalyptus leaves, which has a long history in the fight against cold symptoms. Working as a natural disinfectant is the perfect choice during allergy and cold and flu season. Kneipp Mineral Bath Salt Crystals are naturally very high in trace minerals which are absorbed by the body while soaking in your bath. The perfect body treatment to detoxify, exfoliate and tone. The essential oils' therapeutic effects benefit body and mind through skin absorption and inhalation while water's natural therapeutic effect augments the essential oils efficacy.