i've been reading about adding natural oils to shampoo and conditioner to help repel fleas on this site. i see different oils being used. what is the best??? i've read people are using rosemary and eucalyptus... and what is better to put it in??? the shampoo or conditioner??? where do i get these oils?? please help me because i'm new to using oils and i don't want to harm my yorkie. now .. i'm using cain and able spray , but i don't think the concentration of oils is strong enough.
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