When BetterYou MagnesiumGel is applied to the skin, this essential mineral commences absorption immediately and the technique has been scientifically proven to work 5 times faster than tablets, guaranteed. Transdermal delivery (through the skin) is the most effective form of magnesium supplementation which means the effect of this vital mineral can be felt faster. Magnesium is essential for a healthy body - a natural relaxant, it relieves muscle tension and cramping, joint stiffness and flexibility as well as aids skin health, calcium absorption and restful sleep. Without magnesium our bodies are less supple, and deficiency is linked with many health implications including migraines, anxiety, depression and extreme fatigue. The Magnesium Tingle On initial application you may experience a slight tingling sensation. This is completely natural and indicates the high speed of absorption of BetterYou MagnesiumOil through the pores. This will pass with regular use but, as absorption is immediate, skin can be rinsed or toweled off after massaging in. Guaranteed Free Of Gluten and wheat free Dairy free Yeast free Soy free