Yes, you can use men's hair dye on your hair. In fact, many women use men's hair dye because it is typically less expensive and the color choices are more limited. However, there are a few things to keep in mind when using men's hair dye. First, make sure to read the instructions carefully as some products may require different application methods or times. Second, be aware that men's hair dyes tend to be more harsh than women's formulas, so if your hair is damaged or brittle, it may not be the best option. Finally, remember that men's hair dyes will often deposit more color than women's dyes, so if you want a subtle change, you may want to go with a lighter shade.