A device that fits on a person's finger to reduce the effect, appearance, and/or sensitivity of a scar. The device includes a therapeutic material such as a therapeutic cream that can be released upon the application of heat such as frictional heat generated during use of the device. The device can also be used as an applicator to distribute and work therapeutic material into the scar after the therapeutic material has been placed directly onto the scar tissue. A method of manufacturing the device includes mixing the therapeutic material, a moldable material, and an optional curing agent to form a compound material, molding the compound material, heating the compound material or the molded structure, and curing the molded structure. Alternatively, the curing agent can be absorbed into the cured structure.