Bath salts with natural valerian and hops extracts Whirlpool friendly High content of pure and natural thermal salt promotes a good sleep Kneipp Sweet Dreams Bath Crystals are made with valuable essential oils of Valerian and Hops extracts to encourage a calming and relaxation effect on the mind and body. Valerian has been used since medieval times to help reduce stress, whist Hops extracts are known for its calming qualities, promoting a natural sleep aid. 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.