| 摘要 |
A device comprising a housing assembly and a head assembly, the housing assembly comprising vibratory means and the head assembly comprising a serum reservoir, at least one ball which is contactable with the skin of the user, a portion of the at least one ball being in fluid communication with the serum reservoir, and retainer means for rotatably retaining the at least one ball in the head assembly, the housing assembly and the head assembly being separately formed and comprising complementary features forming a releasable coupling, wherein the serum is dispensed by rolling the ball across the skin of the user. |
