Mermade Hair Thermal Brush in Beauty: NA. The innovative Mermade Thermal Brush is a heated round brush that delivers instant volume, shine and bounce. Its advanced infrared light beam adds shine, reduces frizz & locks in moisture. The flexible tangle-free bristles glide through the hair, shaping it without tangling. Its innovative bristle-free zones allow more heat to penetrate the hydrogen bonds of the hair creating more curl & shape than other thermal brushes.. Smooths and locks in moisture through direct contact with the hair, ensuring healthier and more effective styling. 1.25 barrel creates voluminous curls and bouncy, well-defined hair styles. High-grade ionic ceramic barrel seals hair cuticle, infuses moisture, eliminates frizz and creates shine. Uniquely spaced bristles allow more heat to reach the hair for greater curl & shape For use on dry hair only. Start with clean, dry hair. Apply a heat-protectant like the Mermade Mist (sold separately).. Taking one section at a time, starting from the bottom layer, choose the best heat setting for your hair.. Place the oval brush near the root and brush away from the head while gently rotating. This will create professional like volume. Repeat for all layers and sections of hair.. MHAI-WU10. 4174.