Kneipp® bath crystals for cold season contain valuable eucalyptus essential oil. Instructions for use Fill 3/4 of the lid with bath crystals and add them to bathwater that is approximately 36-38°C. For optimal bathing pleasure, soak for 15-20 minutes. Enough for approximately 9-11 full baths. Warning notices Cosmetic product. Do not ingest and keep out of reach of children. Avoid contact with delicate items. The deep-sea salt used for the bath crystals has a unique origin. The naturally occurring brine is gently crystallized using a centuries-old method at the Luisenhall saltworks, Europes only remaining pan-boiling facility. Due to natural fluctuations, individual, less soluble salt crystals may form. These should in no way be considered a quality defect; rather, they demonstrate the naturalness of the salt. Furthermore, during the pan-boiling process, small pieces of so-called pan scale may detach. This scale forms on the pan walls during the boiling process and thus enters the salt. This is a byproduct of the traditional manufacturing process and is not harmful to the consumer. We strive to remove these crystals; however, it is technically impossible to completely rule out the possibility that some may remain in the salt.