Relaxing magnesium flakes Helps calm and de-stress mind and body Supports healthy sleeping patterns. Westlab Magnesium Flakes are the highest possible quality Zechstein Inside Magnesium flakes that are pure, natural and free from pollutants. An excellent choice for transdermal mineral bathing and suitable for use on skin prone to sensitivity. Bathing with magnesium flakes is an effective and relaxing method of transdermal mineral bathing that has de-stressing benefits for the mind and body.