Exner petguard is the first and only ecological flea tick treatment for pets that works without using chemicals or toxic substances it is an environmentally and animal friendly alternative which is chemical free and not only eliminates fleas ticks lice mites etc it also helps to keep skin and fur healthy this non toxic spray is also suitable for reptiles exner petguard spray is made entirely from non toxic food by products it works by clogging up the parasites coupled respiratory pa