Dr Brown's is an American brand created in the 90s and has a wide range of innovative products that promote baby's health and nutrition . Dr Browns products have a unique design, do not contain toxic materials and have beneficial characteristics for the baby's health. Dr. Browns baby bottles have an internal ventilation system that prevents the oxidation of essential nutrients in milk, provides a free feeding effect, similar to breastfeeding and reduces colic, burping and gas by eliminating excess air .