How to Properly Emulsify Neem Oil & Make a Safe Garden ...
Jul 17, 2019·Liquid soap can also be used to emulsify neem oil. Dilute liquid soap is a common DIY garden spray used against aphids and other soft-bodied insects, disrupting their cell membranes – effectively killing them when sprayed in direct contact. Our choice soap is Dr. Bronner’s Castile Peppermint soap. Insects are repelled by the peppermint odor!