3 c epsom salts or sea salts
1 tablespoon mineral oils
(15-24 drops of your selected essential oil or essential oil blend. Be sure and take heed in the safety data for the oil(s) you choose to use. )
Mix throughly with a fork. Store. Use 1/2 - 1 c in bath water.
http://www.aromaweb.com/recipes/bathsalts.asp