Sentences with phrase «contain pyrethrums»

Flowers: Flowers such as feverfew and chrysanthemum contain pyrethrums, which have a paralytic effect on ectoparasites, while mullein extract helps soothe skin ailments when applied externally, Wenger said.

Natural Flea & Tick Shampoo with Oatmeal for Dogs does not contain Pyrethrums or similar chemicals..

Marigolds contain Pyrethrum, a compound used in many insect repellents.

Not exact matches

The new generation of controls includes natural or genetically engineered pyrethrum, a daisy; flea - specific growth inhibitors (products containing fenoxycarb and methoprene); an environmental control that desiccates fleas and larvae; a once - a-month pill (Program) that prevents the formation of chitin, the flea's external body covering; and new surface products applied to the dog's skin or coat (Advantage and Frontline).

Pyrethrum and permethrin are often found in shampoos and in pet and premise sprays containing growth inhibitors.