The M22 功效 (effects or benefits) are widely recognized by dermatologists. It helps reduce age spots, sun damage, redness, and enlarged pores. Another important M22 功效 is collagen stimulation, which makes the skin firmer and more elastic over time. This non-invasive treatment provides gradual but long-lasting improvement for both men and women. https://www.femio.com.hk/m22.php