Nexxus Natural Cushion Brush, by Nexxus. $1.00. Ships within 2 days. Nexxus. Health and Beauty Product. Professional Brand. High Quality. Nexxus Style Effexx Natural Cushion Brush has a soft cushion base with natural boar and plastic bristles. Nexxus Effexx is a fusion of Tourmaline, Negative Ions, Ceramics, and Nano Silver customized to meet all of your hair needs. Use the Nexxus Natural Cushion Brush to smooth and straighten short to medium hair lengths.