3in1 Electric Rechargeable Vibrating Red & Blue Light Therapy CombThis scalp massage comb combines red and blue light therapy with an integrated compartment for 1ml of serum oil, which is gradually released onto the scalp during vibration to enhance treatment effectiveness. This 3in1 electric comb features 48 soft massage heads and three adjustable modes, integrating red and blue light therapy with vibration. The red light deeply nourishes hair follicles, while the blue light calms the scalp, promoting a healthy and