HALO Herbal Shampoo (16 fl oz) by Cloud 9, is Like a spa in a bottle, Cloud Nine Herbal Shampoo is a revitalizing infusion of botanical oils and extracts. Gentle and safe for Dogs ONLY. The hypoallergenic, biodegradeable, non-drying formula leaves them fresh and pettably soft. The rich lather is easy to rinse out, turning grooming into a pleasurable experience.
This also works as a flea shampoo because of the essential oils used.  Most all natural flea shampoos contain these ingredients to naturally rid your dog of fleas.

Ingredients: Saponified oils of coconut, Olive and jojoba, Tea tree oil, Rosemary oil, Sage oil, Cedarwood oil, Peppermint oil, Sweet orange oil, Eucalyptus oil, Pine needle oil, Aloe vera, Rosemary extract (as a preservative)