【Suggestions on the selection of microneedle】Entry level: 0.25mm is recommended;Red bloodshot eyes, eye wrinkles: 0.25mm ~ 0.3mm is recommended;Wrinkles, spots, repair acne marks, whitening: it is recommended to use 0.3mm ~ 0.5mm;Rosacea pits, scars, acne scars, acne scars: 0.5mm ~ 1mm is recommended;