Tighten, tone, and soothe the skin all at the same time using Magnesium Snow (magnesium carbonate). Magnesium Snow is a natural mineral that possesses mild astringent, detoxifying properties. Add Magnesium Snow to your bath water to get the benefit of smooth, soft skin for your whole body. Add it to tooth brushing to tighten gums. Make a paste with water and give yourself a spa quality facial!