The ONE-TWIST Men Expert coloring is available in different shades. The characteristic features are: ammonia-free formula, innovative One-Twist gel technology, easy to apply, comfortable on the skin, natural look result and gray hair covered for up to 6 weeks. The Men Expert semi-permanent coloring covers gray hair in just 5 minutes, the innovative One-Twist technology allows for simple and clean application, camouflaging white hair with your natural color, so natural that no one will notice that you dyed your hair. The regrowth effect is imperceptible and the color will gradually fade in 6 weeks, wash after wash. Furthermore, the formula is ammonia-free and 96%  of men report that their hair appears softer after application.