Powder That Kills Fleas. Baby powder is an excellent and safe solution to use on dogs who are suffering from fleas. Talcum powder can be very poisonous to health if swallowed or inhaled in a large amount.

Actually, the powder penetrates the exoskeleton and breaks tissues into tiny debris, thus opening internal cells for further action. If you already have a flea infestation in your house, a quick way to kill fleas and keep them away is talcum powder + cleaning. Bed frames, box springs, inside.