Combine 10 drops of lavender essential oil, 20 drops of citronella essential oil, 10 drops of lemongrass essential oil, 5 drops of cedarwood essential oil, 5 drops of eucalyptus essential oil, 5 drops of pine essential oil, 5 drops of rosemary essential oil, 5 drops of patchouli essential oil, 5 drops of geranium essential oil, and 5 drops of tea tree essential oil in a medicine cup using a pipette dropper.

Pour the mixture into a 4 oz dark-colored or aluminum spray mist bottle.

Add 2 oz of purified water to the spray bottle.

Add 1 oz of 70% rubbing alcohol to the spray bottle.

Add 0.75 oz of grapeseed oil to the spray bottle.

Shake the spray bottle well before each use.

Apply to skin, avoiding eyes and mouth, before outdoor activities such as camping, gardening, or spending time in the backyard.

Reapply every 2-4 hours as needed.

Perform a patch test on your skin to check for any allergic reactions to the essential oils before widespread use.