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1. Microneedles: Dr. Pen is equipped with tiny needles made of high-quality medical-grade stainless steel. The length and diameter of these microneedles can be adjusted according to the treatment needs. 2. Electric drive: Dr. Pen has a built-in electric motor powered by a power source or battery. The motor generates rapid vertical vibrations or reciprocating motions to drive the microneedles for puncturing. 3. Microneedle puncturing: When Dr. Pen comes into contact with the skin, the microneedles create tiny channels on the skin surface through rapid vertical vibrations. These microchannels penetrate the stratum corneum without causing significant bleeding or injury. 4. Skin stimulation: The puncturing of the microneedles stimulates the skin and triggers its self-repair mechanism. This activation promotes cell regeneration and the synthesis of collagen and elastin proteins, facilitating new cell growth and the reconstruction of skin tissue. 5. Treatment effects: Microneedle therapy improves skin texture, reduces fine lines and wrinkles, fades scars and pigmentation, and promotes skin regeneration and repair. Additionally, microneedle puncturing enhances the penetration of skincare products, making them more easily absorbed by the skin. Overall, Dr. Pen achieves the effects of microneedle therapy through the mechanism of microneedle puncturing and skin stimulation, driven by an electric motor. This technique is widely employed in the fields of skincare and skin rejuvenation, providing a non-invasive approach to skin care and beauty.