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 symptom