Skin Rejuvenation Acne Removal 273pcs Lamp Beads Double 7 Colors LED Photodynamic Light Device This advanced photodynamic therapy device features 273 lamp beads with double handles and 7 color options for comprehensive skin treatment solutions. Working Principle PDT emits specific wavelength light that penetrates the skin surface to reach the subcutaneous fat layer. The light energy converts into intracellular energy, accelerating cell growth processes, increasing blood