Zeeland Salt Shampoo bar refill Zeeuwsche Zoute can be used for more than just flavoring dishes. A Shampoo Bar has also been developed in collaboration with the Dutch Soap Company. The soap is enriched with Zeeuwsche Zoute Pure and has the scent of eucalyptus. The scent of eucalyptus helps you relax and has an uplifting and refreshing effect. Besides promoting hair growth and strength, eucalyptus oil can also improve its shine, thickness, and overall health.