How to remove dark circles? 1927nm fractional thulium laser removes dark circles! New beauty project: thulium laser combined with whitening skin care products. Although many people think that dark circles are proof that the soul is free at night, which is what we call staying up late.But in fact… Article source: https://www.litonlaser.com/1927nm-thulium-laser-to-remove-dark-circles/ Website URL: https://www.litonlaser.com/