A wound dressing for wireless communication with a transceiver includes a radio-frequency antenna circuit disposed on a flexible substrate, and an electrochemical moisture sensor circuit disposed on a surface of the flexible substrate. An adhesive is provided to attach the wound dressing skin of a user. The electrochemical moisture sensor is arranged between the adhesive and the flexible substrate.

Provided herein are devices and methods for the treatment of skin conditions. A skin treatment apparatus according to the present disclosure generally includes a treatment head defining a treatment space, the treatment head having a body forming said treatment space. The body is further configured to contact the treatment space to a treatment surface containing a lesion. A treatment media is disposed within the treatment space. The skin treatment apparatus also includes a heating element configured to heat the treatment media.