凹凸洞, or acne scars, are one of the most challenging skin concerns to treat, as they involve both textural irregularities and collagen loss. The fotona 激光 system, with its dual-wavelength technology, offers a multi-faceted approach to significantly improve the appearance of these scars. Treatment for 凹凸洞 with fotona 激光 involves a strategic combination of its two wavelength... https://www.femio.com.hk/fotona.php