Benefits of milk and honey - Milk and Honey spa bath. 1½ cups dry powdered milk or liquid milk (Use full fat, not skim milk). ¼ cup baking soda (cleans, soothes, softens skin). ¼ cup Epsom salt (magnesium rich, is great for your skin). ¼ cup warmed honey (humectant, anti-inflammatory). Use: Pour all ingredients under warm running bath water. You can also make up the dry ingreds in advance and store in airtight container.