Epsom salt is manufactured from dolomite; a rock very similar to limestone but higher in magnesium. Epsom salt is commonly used in baths where it is said to relieve muscle soreness, stiffness, promote circulation and relaxation. Priced/sold by the ounce.
Witch Hazel is one of the best natural astringents for use on sensitive skin. It is gentle enough to be used alone, but makes a wonderful base in liniments, facial toners, aftershaves, and many other skincare products.