A Restorative Bath Blend: Crafted with the same pure Genuine Zechstein magnesium chloride as our best-selling flakes, with the addition of elemental sulfur from OptiMSM. OptiMSM has earned the reputation for the purest, safest, and most consistent MSM in the world. When Epsom Salts Need An Upgrade: Experience the difference with our magnesium bath flakes, known for their high purity and concentration. Ease into a calming bath with Ancient Minerals. Full Body Soak: Treat yourself to a luxurious soak in Ancient Minerals magnesium chloride plus MSM. Dissolve a cup of flakes in warm water for a revitalizing bath. A Post-Workout Favorite: Our Ultra bath flakes offer a soothing, post-workout mineral bath. Guaranteed Purity: Committed to quality, we use only Genuine Zechstein magnesium chloride, ensuring a pure and natural product.