It is a widely used plant even in infants. Because of lack of toxicity, a moderate use is considered to be safe. If topically used, do not apply it on the nipple because risk of contact dermatitis has been reported. There are two different species with similar properties: 1) Common or Sweet Chamomile (Matricaria recutita or Chamomilla recutita). 2) Roman, English or Bitter Chamomile (Anthemis nobilis o Chamaemelum nobile). Inflorescence of the herb is used. Contains Essential Oil, Flavonoids, Lactones and Tannins. Unproven properties are: Anti-spasmodic. Digestive, Anti-inflammatory, Sedative.