... metabolism, speed up blood circulation, improve skin moisture, increase skin collagen, enhance skin elasticity, smooth tiny wrinkle.Blue light(470nm ... Do oily acne therapy, eliminate tumour, mark.2. Improve aging skin, big pores, slack skin, tiny wrinkle, dark skin color and ... 4. Lift the whole face skin, improve or loose skin slack.5. Repair damaged skin, for example skin after exchanging, burn, bleb, ...