Salt of the Earth Spa will open May 10 at 9920 Hwy. 90, Ste. 200B, Sugar Land. Owners Sandy and Mark Hinderliter will offer halotherapy services including rooms ventilated with salt-infused air to help sinus, skin and respiratory illnesses. Customers can relax in private rooms, or bring their children to the family room, for 45-minute sessions. Massage services are planned for the future. Memberships are available for adults as well as session packages at the 2,000-square-foot spa. 832-932-8998. www.saltoftheearthhou.com