The present invention is to form a small hole in the skin while rolling the stamp of the arc-shaped cross-section, such as a half-moon shape, by injecting the drug relates to a microneedle stamp arc shape that is configured to induce the repair processes. ; arc microneedle stamp of the present invention is to form a half-moon shape of the needle at the front end of the bag-shaped handle, such needle part Press in using a number of micro-needles formed with rolling stamps to the skin would be a small hole surgery. ; do not damage the treated area of the skin according to the microneedle stamp-arc according to the invention is without causing excessive bleeding, is not leave no scratches on the wound or skin treatment area is pain, acne activity, even can be used. As well as the rolling according to the present invention, the stamp is nurul be able to form a deep groove can be formed to the required treatment area, or thin, in particular has a superior effect that the surface region can be suitably used in large treatment area, such as face .
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