1.Exfoliation: Mix 1 tbsp. of baking soda with 1 tbsp. of water or apple cider vinegar. This is an excellent mild scrub for the skin, and also helps in tightening skin pores (when used with apple cider vinegar). 2.Skin brightening and for getting even complexion: Mix 1 tsp. of baking Soda with a 1 tbsp. of lemon juice and a few drops of olive oil. Apply this pack to your cleansed face for 10 mintes, then wash off with cold water.