Tropiclean strives to provide its customers with the best quality products. Their products are soap and detergent free. This means that any spot on flea and/or tick treatment will not be effected by our products. Most products are good for both dogs and cats. They are proud to be an environmentally conscious company. Their bottles are made from recycled materials (PCR), post consumer resin. The sleeve labels are made from corn which makes them natural, renewable, biodegradable and 100% recyclable!