hydra roller 20 pin 20 pins titanium microneedle automatic hydra derma roller 20 gold tips micro needles with gel tube

needle diameter 0.07mm~0.25mm in thickness, which is thinner than human hair so it is painless, no scratch on skin and no allergy treatment. 20 pins derma stamp with titanium needle. micro needle stamp can stimulate skin cell to induce collagen production for skin regeneration. sterilized packaging bottle mouth, add a sealing apron to prevent liquid leakage during use..syi