[HERBS]

Here is the citrus collar info. Maybe this will help you decide yes or no. Also, note at the bottom it says must be 8 lbs.

PetSafe Part No. PSBC-300
The PetSafe Premium Spray Bark Control Collar uses a harmless, lemon spray to deter your dog from nuisance barking. When your dog barks, a burst of all-natural citrus spray is emitted from the collar. Your dog will find the spray annoying and bothersome. While not harmful, it is a sufficient deterrent to excessive barking.
The collar is waterproof and cannot be set off by another dog's barking.
Features:


All-natural lemon scent is safe and effective
Cannot be set off by another dog's bark
Waterproof
Low battery indicator
Low spray indicator
On/Off switch
Emits up to 80 sprays per refill, over twice the amount of any other brand
Uses a 6-volt silver alkaline battery (included)
Manual included


Collar Specs:


Height: 1.5"
Width: 2"
Depth: 1.5"
Weight: 3.2 oz
One black plastic sensor probe, center
Replacement nylon collar: RFA-130


General Info:


Sensor probe cannot be removed or adjusted
Uses vibration sensor to sense for barking
Should not be worn with other collars as they may set the collar off
Cannot attach leash to collar
Must be fit properly or may not function reliably
Not recommended to use for more than 8 hours at a time
Dog should be at least 8 lbs.