Brand from Japan: Shabondama Soap. Additive-free soap is used as foaming agent instead of synthetic surfactants.It is gentle to the mouth and does not alter the taste after brushing.The moderate lather makes it easy to brush and is perfect for adults as a finishing brush.It is also easy to use for children who have difficulty gargling.The natural mandarin orange flavor gives the toothpaste a fresh and refreshing taste.It is not too sweet, so it is also recommended for adults.Free of synthetic surfactants, fluorine, micro plastic beads, preservatives, and colorants.How to use:Take an appropriate amount and apply to toothpaste.