Fangrui Product Details Electric Scalp Applicator Comb---enjoy A Soothing And Nourishing Scalp Massage And Electric Scalp Massager With Advanced Massaging Nodes And Vibration Settings That Invigorate Blood Circulation, Rejuvenate Hair Follicles And Ignite The Growth Of Healthier, Thicker, And More Desirable Hair. Precision Hair Oil Application---our Electric Scalp Massager Hair Growth Stimulator Features An Innovative Built-in Hair Oil Applicator That Mess-free Distribution Of Your Favorite Hair Oils Or Serums, Allowing Them To Penetrate To The Scalp Improving Absorption And Optimizing Their Nourishing Properties To Enhance Hair Growth Potential. Red Light Vibration Massage---red Light Vibrating Medicine Applicator Can Promote Hair Growth And Improve Hair Growth Effect, No Waste The Liquid Medicine, Keep Using It, And The New Hair Will Gradually Become Thicker And Stronger. With High-frequency Micro-vibration, The Potion Can Reach The Hair Root Evenly, The Effect Is Obvious. Precise Control---the Split Design Of The See-through Liquid Tank Allows You To Know The Dosage At Any Time, And The Maximum Is 6ml, Which Can Meet The Needs Of People In Different Situations. Easy To Clean---innovative Design Of Water And Electricity Separationdetachable Water Tank, Can Be Taken Out Separately, No Pressure To Clean.