Richard’s Organics™ Naturally Gentle & Safe Flea & Tick Spray is formulated to kill and repel fleas & ticks for up to 4 weeks without exposing your pet and family to harsh chemicals. For dogs over 12 weeks. Kills fleas & ticks for up to 4 weeks. Safe for use around children and pets. Repels mosquitoes. No artificial color or fragrance. With natural ingredients and pure essential oils. Sulfate and paraben free.