FReatech Updated Hair Scalp Massager Shampoo Brush with 2 Types of Silicone Bristles, Finely Clean and Scrub Gently, Care for Sensitive & Delicate Scalp, Exfoliate and Stimulate Hair Growth, Black

?Updated Version? Scientific arrangement of 12 traditional bristles (1 bristle contains 1 contact) and 13 upgraded bristles (1 bristle contains 5 contacts). 77 independent nodes multi-dimensional kneading of the scalp leads to more precise head massage and relaxation. More contacts than traditional models can achieve deeper hair cleansing and reduce the pressure of a single contact on the scalp...