Every natural pet health website has their recommendations for flea treatments that don’t use harsh chemicals. The evidence for their claims is nonexistent. It’s appropriate that they’re talking about parasitic organisms, but I don’t think they see the irony.
Most professional veterinary organizations recommend anesthesia to ensure thorough dental care for pet dogs and cats. Despite this, some companies are trying to mislead the pet-owning public by claiming they have high quality evidence showing they provide the same benefit without the risks. Their research smells worse than old chihuahua breath.