BetterYou Magnesium Relax Flakes contain a highly concentrated form of 100% natural, Zechstein magnesium chloride. BetterYou Zechstein magnesium chloride comes from a natural source, deep inside the Earth's crust. It has been protected from man-made pollutants for over 250 million years, ensuring its quality and purity. BetterYou Magnesium Relax Bath Flakes are an effective way of replenishing the body with this essential mineral, promoting overall wellbeing, aiding skin health and naturally relieving tired and aching muscles. A relaxing blend of magnesium chloride, rose geranium and bergamot to help ease tension and clear the mind - for ultimate relaxation