Free Tom’s of Maine Prebiotic Personal Care SamplesRequest your free Tom’s of Maine Prebiotic Personal Care Samples! Just like other personal care products, the Tom’s of Maine Prebiotic products are designed to keep your mouth, underarms, or skin clean and fresh. Prebiotics are nutrients that promote the growth of beneficial bacteria in and on your body by feeding them, while starving and crowding out the bad bacteria that cause bad breath and body odor. Consisting of toothpaste, deodorant, body wash, bar soap and liquid hand soap, the line was designed to help support the body’s good bacteria in order to maintain a healthy balance, the company said.