The present invention relates to a functional beauty applicator using cold steam, which supplies natural functional cosmetics in the form of cold steam to the skin of a user to provide the skin with functionality, and which has a far infrared radiation heat source for providing a pre-steam treatment function. The functional beauty applicator of the present invention comprises a body support which receives a natural aqueous functional cosmetic solution and converts the solution into atomized steam, a connection neck which transfers the atomized steam generated by the body support, and an ejection head which ejects atomized steam to the outside or directly onto the skin of the user.
