omegaAlpha Natural Neem Citronella Repellent Published February 27, 2016 at 600 × 600 in Omega Alpha – HerbaCoat Spray for Dogs – 120ml | 1L OmegaAlpha Herba Coat Natural Neem and Citronella Insect Repellent for dogs. OmegaAlpha Herba Coat Natural Neem and Citronella Insect Repellent for dogs.