This smart brush tells you if your hair is healthy The Kérastase Hair Coach is a hairbrush that connects to an app on your phone. Facebook Prev Article Next Article Gadgets Checkout these cool gadgets... Related Posts Heated Butter Knife Without Electricity Ingenious Concept – Locust Folding Bike RC Car with Camera Meets a Group of Lions Ringbow – Touchscreen Enhancement Device Bicycle Lift in Trondheim, Norway Airfish 8 – Half Boat Half Plane
