foldable pdt led light therapy machine red blue yellow with mixed colors pn led skin rejuvenation device

pn light therapy: lights of different wavelengths penetrate skin layers of different depths, accelerating the regeneration of cells and collagen so as to solve various skin problems 1.technology && pn therapy achieve multiple effects. ;2. 3 colors + 4 mixed colors && different lights and light combinations for different skin problems and effects. 3. 6 modes & 9 levels && optional & adjustable for different individual needs. 4. multi-applicable sites && face, neck, nape, arms, chest, legs, waist, etc 5. multiple functions && prevents acne, reduce redness, improve skin texture, etc..syi