[Dog_Obsessed]

Does anyone know if it’s okay to mix shampoos together? My Vet’s Best has arrived, and I was thinking about mixing it with the Earthbath to get the benefits of both.

Also, do shampoos expire? I’ve had the Earthbath for over a year, and there is no expiration date that I can see. The Vet’s best has no expiration date either but a manufacturing date of 8/19/14.