I use Lemongrass EO in my shampoo bar with neem and is satified with the smell, but I only have 6% neem into it. In my Paw Balm (for dogs and even to horses) I've Rosemary EO with 35% neem. If I do dog shampoo with nerm, I should use rosemary in that too. It doesn't kill all the smell, but it...