Hydra Needle 20pin Our Hydra Needle stamp is an effective microneedle device for delivering cosmetic serums into the skin. With just a light tapping (stamping) motion, the serum flows into the skin, using less product and delivering the serum under the dermis. Our hydra needle derma stamp with serum applicator will completely boost your entire skincare routine as you combine it with the topicals and serums you love! There are 5 needle lengths that can be chosen, 0.25mm, 0.5mm, 0.6mm, 1.0mm, and1.5mm，meeting the different needs for your microneedle treatment.
