"Zechstein Inside ®" Batch Protocol
When you buy magnesium oil, check if "Zechstein Inside ®" logo is printed on the product label:
Why? Because "Zechstein Inside ®" means the magnesium oil you are buying is produced at the grade that is certified to be in accordance with the safety requirements for topical, cosmetic and medical applications as defined in EU cosmetic regulations (Regulation (EC) No 1223/2009).
Therefore, "Zechstein Inside ®" guarantees that the grade of magnesium oil being sold is of the highest natural quality that is suitable for skin applications.